The bag would move in the direction of the applied force.
What is the direction?
Recall that work is done when the force applied moves a distance in the direction of the force. In this case, we can see that the force was applied from the right. Do not also forget that the force applied must make the object to move in a given direction. The direction in which the acceleration is imparted must also be in the direction of the force.
The understanding of the impact of force on motion could be seen from the Newtons law. We know from the Newton’s law that an object would remain at rest or in a state of uniform motion unless it I acted upon by an external force. This external force makes the object to move in the direction of the force.
Looking at the question, we are told that a 20 newtons is applied from the right hence, the bag would move in the direction of the applied force.
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Is Your weight
determined by
gravity?
Answer:
Yes, because you would weigh differently on the moon, than on earth,
Explanation:
Can I have brainliest? It would help me out, if not thanks anyways! Hope this helped and have a nice day :)
Answer:
yes
Explanation:
the wight of an object is determined by the pull of gravity on it
13. If Joe begins his hike at +125 meter altitude, and finishes his hike at +1532
meters, what is his velocity in meters/seconds if it takes 20 minutes?
velocity in meters/seconds if it takes 20 minutes is equal to 1.17m/s
the velocity of the object can be obtained by the formula v = distance travelled/ time taken
Total distance travelled = 1532 -125 = 1407 m and 20 min in sec = 20 X 60 = 1200 so velocity in m/s is 1407/1200 1.17m/s
swiftness; speed of movement or action; a fast wind's velocity. Mechanics. the speed at which a body's position changes over time in a given direction. the velocity of action or reaction; the rate at which something occurs
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Bill's motorcycle can accelerate at 7.05m/s² at a certain RPM and gear. How far, starting from rest,
will Bill travel in the first 2.50s?
The distance travelled by Bill in the first 2.5 s is 22.03 m
Data obtained from the questionThe following data were obtained from the question:
Initial velocity (u) = 0 m/sAcceleration (a) = 7.05 m/s² Time (t) = 2.5 sDistance (s) =?How to determine the distance travelledThe distance travelled can be obtained as follow:
s = ut + ½at²
s = (0 × 2.5) + (½ × 7.05 × 2.5²)
s = 0 + (½ × 7.05 × 6.25)
s = 0 + 22.03
s = 22.03 m
Thus, the distance travelled in 2.5 s by Bill is 22.03 m
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A farmer builds three sections of a fence, as shown in the figure, where =10.00
m, and gets tired. Walking straight back to where he started, how far did he have to go?
The total distance traveled by the farmer is 60 and walking straight back to where he started he will travel 10 m.
What is distance traveled by an object?
Distance traveled is the total length of the path traveled between two positions.
Distance traveled is not a vector because it has no direction, so we say that distance is a scalar quantity.
If the farmer builds a 3 sections of fence, it will form a triangle of equal lengths.
If the distance between each section = 10 m
when the farmer travels from the initial position to the final position, and then back to the initial position, the total distance traveled by the farmer is calculated as follows;
d = 2(10 m + 10 m + 10 m)
d = 2(30 m)
d = 60 m
Thus, the total distance traveled by the farmer is 60 and walking straight back to where he started he will travel 10 m.
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Surviving a Large Deceleration On July 13, 1977, while on a test drive at Britain's Silverstone racetrack, the throttle on David Purley's car stuck wide open. The resulting crash subjected Purley to the greatest "g-force" ever survived by a human - he decelerated from 173 km/h to zero in a distance of only about 0.66 m.
Calculate the magnitude of the acceleration experienced by Purley (assuming it to be constant), and express your answer in units of the acceleration of gravity, g=9.81m/s2 .
The magnitude of the acceleration experienced by Purley is -1749.82 m/s²
How to convert 173 Km/h to m/sWe'll begin by converting 173 Km/h to m/s. This can be obtained as follow:
3.6 Km/h = 1 m/s
Therefore,
173 Km/h = (173 Km/h × 1 m/s) / 3.6 Km/h
173 Km/h = 48.06 m/s
How to determine the accelerationThe following data were obtained from the question:
Initial velocity (u) = 48.06 m/sFinal velocity (v) = 0 m/sDistance (s) = 0.66 mAcceleration (a) = ?The acceleration can be obtained as follow:
v² = u² + 2as
0² = 48.06² + (2 × a × 0.66)
0 = 2309.7636 + 1.32a
Collect like terms
1.32a = 0 - 2309.7636
1.32a = -2309.7636
Divide both sides by 1.32
a = -2309.7636 / 1.32
a = -1749.82 m/s²
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13. Describe the particles when water is a gas. What is
their distance from one another? How quickly do they
move? What do their collisions look like?
When water is a gas following are its characteristics:
The particles are very far away from each other.They move very quickly.The collision between the molecules is perfectly elastic.Like every other substance, water also exists in three forms on the basis of its physical state:
In a solid state, water exists as ice.In a liquid state, water exists as liquid water.In a gaseous state, water exists as steam.The properties of steam are similar to the properties of any gaseous substance. The particles in the gaseous state are farthest from each other than in any other state. The velocity of molecules is maximum in a gaseous state.
As the velocity of molecules is maximum, several collisions between the molecules take place every second and these collisions are perfectly elastic.
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Is amalee wearing purple?
Answer:
yes.
Explanation:
Answer:
yes
Explanation:i am THE Amalee
It takes 8.8 seconds for a stone that is dropped from rest to fall to the bottom of a mine shaft. The depth of the mine shaft is Blank .
Calculate the answer by read surrounding text. m. Round your answer to 1 decimal place.
The depth of the mine shaft is Blank is 379.5 m.
Equation :Using,
d = (1/2) g t²
where,
g is gravity and t is time given,
d = (1/2)(9.8)(77.44)
d = 379.5 m.
What is gravity ?Gravity, also known as gravitational force, is the attraction between any two objects in the universe. The attraction force is proportional to the weight of the object and the sq of the distance among them. It is without a doubt the weakest known natural force. An invisible force that attracts objects to one another. Gravity is what continues to keep you on the ground and causes things to fall. An animation of gravity in action. Albert Einstein defined gravity as a space-time curve that wraps around an object like a star or planet.
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How far from a 1.00 μC point charge will the potential be 200 V?
The charge will the potential be 200 V = 2.23 x 10⁸ C
Given:
r = 1.00 μC
v = 200V
K = 8.988 x 10⁹ NM²/C²
Charge, also known as electric charge, electrical charge, or electrostatic charge, is a property of a unit of matter that shows how many more or fewer electrons than protons it possesses. It is represented by the symbol q.
A body that feels a force in an electric field has a property called charge. It is more useful to speak of bundles of electrons because individual electrons are so tiny and have little impact.
The formula for find how far from a 1.00 μC point charge will the potential be 200V.
V = kq / r
q = rV/ K
Charge = (1.00 x 10⁻³m)(200)/ 8.988 x 10⁹ NM²/C²
= 2.23 x 10⁸ C
So, The charge will the potential be 200 V = 2.23 x 10⁸ C
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An atom of iron has an atomic number of 26 and a mass number of 56. How many protons, neutrons, and electrons are contained in this atom?
which option gives an objects temperature in SI units?
Two pieces of cloth have the same color and texture. Name another property of cloth that you might use to distinguish between the two materials.
Answer:
3эщ4шнп8х34нп943неп43щ
укр
Explanation:
кпк9геъ09ге
A jet requires 5 seconds of acceleration from rest to cover a 94 m distance. What was the acceleration?
When ever there is a change in Velocity, there will be Acceleration. Let us now understand the concept of Acceleration with illustrative examples.
Let's suppose I have a car moving with a constant Velocity of 90 km along a straight line. It can be seen that the helicopter flying at roughly a speed of 20,000 km.
using the equation of motion formula;
S = ut + 1/2 + at²
Given,
S = 94 m
t = 5 sec
U = 0 initial velocity
S = ut + 1/2at²
94 = 0 + 1/2a 5²
a = (94 × 2)/ 25
Acceleration = 7.52 m/s²
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You’ve been contracted to design a dragstrip for LV Motor Speedway. To do this you need to know how far a race will travel. During a race, a drag racer accelerates at 50.0 m/s2 for 5 seconds then brakes at 60.0 m/s2 to a complete stop. Sketch position-time and velocity-time graphs for this race. What is the total distance traveled by the car from start to finish? (1146m) What is the total time from start to finish? (9.2s)
The racer which accelerates at 50.0 m/s2 for 5 seconds then brakes at 60.0 m/s2 to a complete stop has an acceleration of 2 m/s^2, travels a distance of 100m in 5 seconds.
What is acceleration ?
Acceleration is the measure of a change in velocity. Acceleration frequently, but not always, denotes a shift in speed. The direction of motion is changing, therefore an object travelling at a constant speed along a circular path is still going ahead.
Given:
Acceleration, a=?
Time, t = 5 seconds
Final velocity, v= 60.0 m/s2
Initial velocity, u= 50.0 m/s2
Therefore putting the formula,
v = u + at
=> 60 = 50 +5.a
therefore, a = 2 m/s^2
Therefore distance can be found by the formula,
x = u + 1/2 at^2
Where x is the distance.
=> x = 50 + 2 . 5^2
x = 100m
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Mention 2 everyday applications each of conduction, convection and radiation
Answer:
Conduction: Touching a stove and being burned. Ice cooling down your hand. .
Explanation:
Two identical loudspeakers separated by distance delta x each emit sound waves of wavelength lambda and amplitude a along the x-axis
What is the minimum value of the ratio delta x/ wavelength for which the amplitude of their superposition is also a?
When energy moves through a medium (such as air, water, or any other liquid or solid matter), it creates a pattern of disruption that propagates away from the source of the sound.
Two identical loudspeakers separated by distance delta X each emit sound waves of wavelength lambda and amplitude A along the x-axis.
What is the minimum value of the ratio delta X/ wavelength for which the amplitude of their superposition is also A?
On a location along the X axis, we receive a portion of the difference in their attacks when we talk along the X axis. The attacks over the wavelength are equal to the phase difference, or delta. Lambda divided by pi. The square of the temperature tude of the first three waves plus the square of the second wave's temperature, B plus two times even a two times course delta, is what determines the amplitude following a superimposed wave. Okay. The resultant amplitude, A, equals the square root of a squared plus a squared plus two times a squared in this situation because the amplitude is tiny.
Delta is now, of course, square on both sides. And we discover that A squared equals two A squared plus cost. This widget's delta are is equivalent to -1/2. Delta will be seven Pi over six. Okay, so this value is delta, which is equal to X over lambda times two pi are the ratio assaults with lambda = 7/12 from equation one.
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Baseball A and B have masses 250g and 300g respectively.
Both are hit by the same amount of force equal to 100 N(Newton).
Which of the two baseballs has greater acceleration?
The baseball with the greater acceleration is baseball A
Relationship between force and accelerationForce and acceleration are related according to the following formula:
Force (F) = mass (m) × acceleration (a)
F = ma
How to determine the acceleration of baseball AForce (F) = 100 NMass of A (m) = 250 g = 250 / 100 = 0.25 KgAcceleration of A (a) =?F = ma
Divide both sides by m
a = F / m
a = 100 / 0.25
Acceleration of A = 400 m/s²
How to determine the acceleration of baseball BForce (F) = 100 NMass of A (m) = 300 g = 300 / 100 = 0.3 KgAcceleration of B (a) =?F = ma
Divide both sides by m
a = F / m
a = 100 / 0.3
Acceleration of B = 333.33 m/s²
From the above calculations, we obtained:
Acceleration of A = 400 m/s²Acceleration of B = 333.33 m/s²Thus, baseball A has the greater acceleration
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In a complete sentence, explain what determines temperature
Answer:
temperature means the degree of hotness or coldness of the body
Explanation:
when the heatness is transferred by our body
we feel cold
for example if we touch ice
we feel cold
when the heatness is transferred to our body we feel hot
for example when we touch fire we feel hot
Christian wants to determine how the amount of time a student spent studying affects how they perform on a test. He surveys each member of his class and ask how much time they spent studying. What is the independent or dependent and controlled variables
In a scientific experiment, an independent variable is a variable that is altered or controlled to see how it affects the dependent variable.
In a scientific experiment, the variable under test and being measured is known as the dependent variable.
The independent variable determines how reliant the dependent variable is. The impact on the dependent variable of changing the independent variable is tracked and documented by the experimenter.
An experimental component that remains constant and unaltered during the course of an investigation is known as a control variable in science.
Christian is interested in seeing how a student's performance on an exam is impacted by the amount of time they spent studying. He conducts a class survey and inquires about the amount of time each student spent studying.
The independent variable is the time they spent studying, the dependent variable is the amount of time studying and how it helps the test.
The controlled variable is the amount of time studying and how it helps the test.
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3. Complete the following sentences:
a. "The slope of a linear position graph tells us the _________________________ of the object."
b. "The slope of a linear velocity graph tells us the Acceleration of the object."
c. "For an object moving at a constant speed, we would expect to see a position graph with a ___________________ shape and a velocity graph with a ___________________ shape."
d. "For an object moving at a constant acceleration, we would expect to see a position graph with a ___________________ shape and a velocity graph with a ___________________ shape."
The slope of a linear position graph tells the velocity of the object, for an object which is moving at a constant speed the position graph with linear shape, and the velocity graph with horizontal shape, and for an object which is moving at a constant acceleration the position graph will be the in parabolic shape and velocity graph is of linear shape.
What is Acceleration?The rate of change in an object's velocity with respect to time is known as acceleration in mechanics. The vector quantity of accelerations. The direction of the net force that is acting on an object determines its acceleration.
Since acceleration has both a magnitude and a direction, it is a vector quantity. Velocity is a vector quantity as well. The definition of acceleration is the change in velocity vector over a time interval divided by the time interval.
There are several types of acceleration :
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Stress that has a beneficial effect on us is called
Answer:
a positive form of stress having a beneficial effect on health, motivation, performance, and emotional well-being … during positive stress ("eustress"), such as a promotion or vacation, feel-good chemicals called endorphins are released
Explanation:
that is the answer
A car is behind a truck going 25 m/s on the highway the car driver looks for an opportunity to pass guessing that his car can accelerate at 1 m/s squared he gauge that he has to cover the 20 m length of the truck +10 m to clear room at the rear of the truck and 10 m more at the front of the truck in the upcoming lane he sees a car approaching probably also traveling at 25 mi./s he has made the car is about 4.0×10 to the 2nd m away should he attempt to pass
The car will travel only distance of 25.92 m.In order to overtake it needs to travel 40m. So don't attempt to pass the truck.
Vehicle speed is 25 m/s.
40m is the distance the automobile must go to pass the truck.Distance between the car approaching from the opposite direction and the passing location is 400-40, or 360 meters.
Time allowed for a car to pass a truck of 20 meters in length is equal to the distance between the automobile coming from the other direction and the relative speed of the two cars.
Time equals 360/50, or 7.2 seconds.
Let's assume that the truck is going at the same rate as the car.
The expression "distance traveled by car in comparison to truck"
S is the distance traveled, u is the initial velocity, an is the acceleration, and t is the amount of time spent, where S = ut +[tex]\frac{1}{2}at^{2}[/tex]
Here, u = 0, t = 7.2 s, and a = 1 m/[tex]s^{2}[/tex]
hence, the distance driven in 7.2 seconds
So, S = 0+ 25.92 = 25.92 m
So car will travel only travel 25.92 m
In order to overtake it needs to travel 40m. So don't attempt to pass the truck.
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a stunt man drops from a building and falls 15m down onto a giant air mattress a) How much time does it take for the stunt man to hit the air mattress.
B.) What is his velocity as he slams into the mattress (# and direction)
please draw a sketch also!!
The time taken is √3 s and the velocity with he lands is 17.3 m/s.
What is the time taken?In this case, we have to use the equations of kinematics as it has to do with motion under gravity. We know that;
h = ut + 1/2gt^2
h = height
u = initial velocity
g = acceleration due to gravity
t = time taken
Given that u = 0 m/s because the object was dropped from a height.
h = 1/2gt^2
t = √2h/g
t = √2 * 15/10
t = √3 s
The velocity with which he falls is obtained from;
v = u + gt
v = gt
v = 10 m/s^2 * √3 s
v = 17.3 m/s
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Find the energy-consumption rate for five electrical devices you use every day. This value-in watts-is generally listed somewhere on the device or its power adapter, if it has one
For the devices identified in Question 3, estimate t total time you use each device in a day, and use th quantity, along with the device's energy-consumpto rate, to estimate the total energy each uses in a day
The amount of energy used is known as energy consumption.
Find the energy-consumption rate for five electrical devices you use every day.
The following is the power consumption formula or energy consumption formula: E = P*(t/1000); where E is energy expressed in Joules or kilowatt-hours (kWh), P is power expressed in watts, and t is the duration of the consumption of the power or energy.
A lot of electricity is used by electrical appliances. Those that produce heat or have moving parts consume a lot more energy than those that do the same for light or sound.
A higher-wattage appliance actually uses less electricity overall than a lower-wattage one, because it is properly made and completes its task more quickly.
The following are some of the commonly used electrical devices in a daily household.
LCD TV consumes 120W.Washing machine consumes 2100W.Fridge consumes 150W.Desktop computer consumes 140W.Microwave consumes 1000W.To know more about Energy Consumption, click on the link below:
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A warning buoy A warning buoy is observed to rise every 4.3 s as crests of waves pass by it.
(a) What is the period of these waves?is observed to rise every 4.3 s as crests of waves pass by it.
A warning buoy is observed to rise every 4.3 s as crests of waves pass by it. The period of these waves is (T) = 4.3s
What is period?The period defines the quantity or the required time to complete one single oscillation. It has a synonym called time period. It can be measured in Seconds.
How can we calculate the period?According to the question,
A warning buoy is observed to rise every 4.3 s as crests of waves pass by it.
According to the definition of time period, time between two consecutive peaks of the oscillation called the time period.
So, According to the question the period of these waves is (T) = 4.3s
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How will an object at rest be affected if multiple forces working on it are opposed but unbalanced? (1 point)
The unbalanced forces will cause the object to produce a humming sound.
O Motion will be either created, stopped or changed.
The mass of the object will decrease.
The acceleration of the object will increase.
b) The motion will be either created, stopped, or changed.
An unbalanced force is said to act on an object if the sum of all forces acting on it is non-zero. This means that some force is acting on the object, so the object experiences an acceleration equal to F = ma.
Force Imbalance:
Generates motion of a stationary object (acceleration is +ve as the object changes its velocity from 0 to some value while it is stationary).Stop the moving object (because the object changes velocity from some value to zero and stops, i.e. -ve acceleration).Change the speed of a moving object (there is an acceleration due to the change in speed).Changes the direction of movement of the object (there is an acceleration due to the direction change).Thus, there will be some change in motion in the object if multiple forces applied are unbalanced.
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Answer:b…………………………….
Explanation:
If the total net force on a system is zero, assuming the mass remains constant, which must be true? (1 point)
O The acceleration is zero.
O The velocity is increasing.
O The velocity is decreasing.
O The acceleration is increasing.
Answer:
O The acceleration is zero.
Explanation: because it not decreasing nor increasing just staying the same speed
After an experiment, research participants are told its purpose and about any deception they may have experienced. This is called
a. replication.
b. the double-blind procedure.
c. debriefing.
d. informed consent.
After an experiment, research participants are told its purpose and about any deception they may have experienced. This is called debriefing. So, the correct option is (c).
Debriefing is the act of reporting on a mission, project, or the data gleaned from it. After an activity or event, a structured procedure examines the actions performed.Debriefing is a methodical learning procedure created to help plans continually improve as they are being carried out.
Debriefing can be used as an example during an experiment when the researchers required to use some type of deception for the purpose of the study.
Debriefing has its roots in the military as a technique to learn quickly in rapidly changing situations and to correct mistakes or changes on the field. In this instance, the researchers would describe their reasoning for deception and the goal of the study during the debriefing session.
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explaining how your energy system works. Make sure to explain how your system captures energy from rescue workers’ bodies to power equipment during rescue missions. Try to use the words in the Word Bank above.
Answer:
The rescue workers can get energy to the batteries in their equipment during rescue missions by using a generator to convert the kinetic energy to potential energy. Potential energy is then stored in the battery.
Explanation:
14. Sometimes, gas particles are similar to
billiard balls on a pool table. Explain how their
behavior is similar.
Like the Bullard balls on a pool table, gas particles are ubiquitous, so they are similar.
When two billiard balls collide the collision is nearly elastic. In an elastic collision the kinetic energy of the system is conserved before and after the collision. Therefore for simplicity, we can assume that the collision with the billiard ball is perfectly elastic. Momentum is conserved regardless of the type of impact. This means that the total momentum of all colliding objects before the collision is equal to the total momentum after the collision.
If you hit straight and the cue ball stops at impact the cue ball's momentum should all be eight This is because momentum is conserved Hitting diagonally keeps both balls moving after the collision. That is ball one exerts the same force on the ball two as ball two exerts on ball one This way momentum is conserved, so every time ball two gains momentum ball one loses This is Newton's third law.
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