Answer:
sabihin sa kamag-aral na deh muna ako sasama kasi may papagawa pa nanay ko Sakin.
Explanation:
pa brainliest
if an inelastic collision takes place, during the collision, what is conserved?
Answer:
An inelastic collision is a collision in which there is a loss of kinetic energy. While momentum of the system is conserved in an inelastic collision, kinetic energy is not.
Explanation:
what is the difference between reproducibility and repeatability
Answer:
Repeatability is how much variability in the measurement system is caused by the measurement device. Reproducibility is how much variability in the measurement system is caused by differences between operators.
What can we say when one force
is greater than another force?
A. There is no net force.
B. There is no change in motion.
C. There is a change in motion.
D. The forces are in equilibrium.
When one force is greater than another force, we can say that there is a change in motion. The correct answer is option C: "There is a change in motion."
According to Newton's second law of motion, the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. When one force is greater than another force, the net force acting on the object is not zero. If the net force acting on an object is not zero, it will cause the object to accelerate in the direction of the larger force. This acceleration leads to a change in motion. The object may speed up, slow down, change direction, or a combination of these.
Option A, "There is no net force," is incorrect because if one force is greater than another, there is a net force acting on the object.
Option B, "There is no change in motion," is incorrect because, as explained above, a greater force leads to a change in motion.
Option D, "The forces are in equilibrium," is incorrect because if one force is greater than another, the forces are not balanced, and the object is not in equilibrium.
Therefore, the correct statement is that there is a change in motion when one force is greater than another force.
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If you were able to cut this bar
of gold over and over until
you have the smallest particle
of gold possible, what would
that particle be?
А
a molecule of gold
B
an atom of gold
Answer:
if you cut a bar of gold over and over it would result to an atom.
because an atom is the smallest particle of an element that can exist.
I hope this helps
ocean acidification impacts corals in what major way?
PLEASE ANSWER ASAP! <33 When the computer you are working on uses energy it also produces waste energy. What type of energy is this waste energy?
Chemical Energy
Thermal Energy
Answer:
thermal energy
Explanation:
computer produce thermal energy later brought out by exhaust fans...
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Which is likely TRUE of an individual whose body composition has little fat and is naturally lean?
OPTIONS:
A.
They have a high metabolism.
B.
They have a family history of obesity.
C.
They require less food than most people.
D.
Their body composition will never change.
Answer:
A
Explanation:
If an individual whose body composition has little fat and is naturally lean then they have a high metabolism, therefore the correct answer is option A.
What is exercise?The advantages of working out vary depending on the type of death a person experiences. Even if a person exercises, excessive sitting can cause a number of illnesses, many of which are fatal. The individual might also engage in mobile activities, in addition, to exercise to improve their fitness.
Any activity that involves bodily motions that increases a person's health, fitness, and well-being while reducing their chance of developing illnesses is considered exercise. It makes it possible for the person to maintain a healthy weight.
Therefore, if an individual whose body composition has little fat and is naturally lean then they have a high metabolism, therefore the correct answer is option A.
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The table describes the properties of four compounds.
Which compounds are most likely ionic?
compounds A and B
compounds B and C
compounds C and D
compounds D and A
The characteristics of the ionic bonds allows to find the results for the question about which compound are ionic is:
d) Compounds D and A.
Chemical compounds are formed by atoms linked by electrostatic forces, where one of the elements gave up some electrons and the other element acquired these electrons, the two atoms being in an ionic state, consequently the bond is strong and has several characteristics:
High melting point. It dissolves in polar solvent (water). In general they are hard and brittle solids (NaCl). In solution they are conductors of electricity.
In these characteristics, let's analyze the compounds in the table.
With the property of high melting point the compounds A and D can be ionic. According to the dissolution property all could be ionic. According to the conduction property of electricity, compounds A and D can be ionic
Let's review the different alternatives:
a) False. Compound A and B has a low melting point.
b) False. The B and C compounds have low melting points.
c) False. Compound C has a low melting point.
d) True. The two compounds meet all the characteristics of ionic compounds.
In conclusion with the characteristics of the ionic bonds we can find the results for the question about which compound are ionic is:
d) Compounds D and A are ionics.
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Muscles in a kangaroo's legs work because of the cells that make up the muscle. Which
does this best illustrate?
All living things are made of cells.
Cells are the basic unit of structure and function of all living things,
All cells come from other cells.
Cells are generated from nonliving materials.
Answer:
all living things are made of cells
Explanation:
cells are kinda like matter but only for living thing like when someone says you white blood cell count is low its because they are part of you living body.
How many electrons have been removed from a positively charged electroscope if it has a net charge of 6x10-11?
answer and explain if u can pls :)
Answer:
is it the ans you are looking for
what precautions should you take when working with electronic equipment?
Answer:
Be sure to unplug the power source of all electrical equipment before working on it. Always pull from the plug, not the cord. Always wear proper non conductive clothing – insulated gloves, non conductive protective apparel and shoes with insulated soles. Avoid loose clothing or ties.
Lorenzo pushes on a heavy crate with an applied force of 250 N at an angle of 30° below the horizontal. The force of friction opposing the applied force is 95 N. If the mass of the crate is 45 kg, what is the acceleration of the crate?
A. 0.67 m/s2 forward
B. 1.7 m/s2 forward
C. 2.7 m/s2 forward
D. 3.4 m/s2 forward
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Answer:
A. 0.67 m/s² forward
Explanation:
F applied = 250 N
Fsin30 = 250/2 = 125N
F friction= 95 N
Fnet = F app - F fri
= 125-95
= 30 N ( forward)
Fnet = m a
30 = 45 a
a= 30/45
=2/3
= 0.67 m/s² (forward)
Three different objects, all with different masses, are initially at rest at the bottom of a set of steps. Each step is of uniform height . The mass of each object is a multiple of the base mass : object 1 has mass 3.10 , object 2 has mass 1.46 , and object 3 has mass . When the objects are at the bottom of the steps, define the total gravitational potential energy of the three-object system to be zero. If the objects are then relocated as shown, what is the new total potential energy of the system? Each answer requires the numerical coefficient to an algebraic expression. Each algebraic expression is given using some combination of the variables , , and , where is the acceleration due to gravity. Enter only the numerical coefficient. (Example: If the answer is 1.23 ,
The definition of gravitational potential energy would gravitate allows to find the answers for the energy of each object on the highest rung of the ladder are:
a) expression for gravitational potential energy is [tex]U_p = m g \ \Delta y[/tex]
b) Energy value
* Body 1 U_p = 82 J
* Body 2 U_p = 38.6 J
* Body 3 18.5 J
The gravitational potential energy is a configuration energy that represents the amount of work that the system can do for a given configuration, its expression is
[tex]U_p = m g \ \Delta y[/tex]
Where [tex]U_p[/tex] is the gravitational potential energy, m the mass of the body and Δy the difference in height.
In this case it indicates that the minimum height is at the bottom and is equal to zero, the steps of a ladder have a height of approximately y = 15 cm = 0.15 m
They indicate the mass of the bodies are m₁ = 3.10 kg, the mass of the body 2 m₂ = 1.46 kg , the mass of the third object is not observed, suppose it is m₃ = 0.7 kg.
They indicate that the body is placed on the last step, suppose it is a standard 18-step ladder, therefore the total height is
y = # _ steps y_each step
y = 18 0.15
y = 2.70 m
the gravitational potential energy to the capacity of the body is
body 1
[tex]U_p[/tex] = m₁ g Δy₁
U_p = 3.10 9.8 (2.70 -0)
U_p = 82 J
body 2
U_p = 1.46 9.8 ( 2.7-0)
U_p = 38.6 J
body 3
U_pUp = 0.70 9.8 (2.7-0)
U_p = 18.5 J
In conclusion, using the definition of gravitational potential energy, we can find the answers for the energy of each object on the highest rung of the ladder are;
a) expression for gravitational potential energy is [tex]U_p = m g \ \Delta y[/tex]
b) Energy value
* Body 1 U_p = 82.0 J
* Body 2 U_p = 38.6 J
* Body 3 U_p = 18.5 J
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The two characterists of stars shown on an H-R diragram are absolute brightness
and
Surface temperature im quite certain
3. The brakes of a certain car can produce an acceleration of 6 m/s.
a. How long does it take the car to come to a stop from a velocity of 30 m/s?
Answer:
5s
Explanation:
initial distance: 0 m
distance: ? (we don't know)
initial velocity: 0 m/s
velocity: 30 m/s
acceleration: 6 [tex]m/s^{2}[/tex]
time: ? (we are looking for)
v = v0 + at
plug the numbers in:
30 = 0 + 6(t)
= 30 = 6t
= t = 5
5s
In the district soccer championship finals, Elizabeth kicks a 6 N soccer ball with a force of 80.0 N to the right.
There is friction between the ball and the ground (mu=0.20) as well as 23 N of air resistance.
(i) Draw the FBD for the ball; include both types of forces and magnitudes.
(ii) What is the net force acting on the ball? Show work
(iii) What is the acceleration of the ball? Show work
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Which of the following is not a true statement?
Answer:
d
Explanation:
all of the rest are true
This equation tells the position of the ball, x, at any time t. Let's use it to solve for the position of the ball at t=0.00231 s. What value do you get when you use t=0.00231 s and solve for the position, x?
The slope of the graph, A, and the starting position of the ball, B, can be used to determine the position of the ball
The position of the ball at time t = 0.00231 s is 59.933 cmReason:
Question; The possible function representing the given equation is presented as follows;
x = A·t + B
Where;
A = 2.59 × 10⁴ [tex]\frac{cm}{s}[/tex]
B = 0.104 cm
t = Time in seconds (s)
x = The position (cm)
Required: The value of the position when t = 0.00231 s
Solution:
The position time graph of an object moving with a constant speed is a straight line with an equation of the form y = m·x + c
Plugging in the value of t = 0.00231 in the given equation gives;
x = 2.59 × 10⁴ × 0.00231 + 0.104 = 59.933
The position x of the ball at time, t = 0.00231 s is 59.933 cm
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15. What is velocity, and how is it useful for describing an object's motion?
Velocity describes motion by indicating how fastan object moves and in what direction. Speed is a magnitude of velocity, which indicates only how fast an object moves. Speed shows how much distance is traversed in a given interval of time: In a general case of motion,.
Calculate the velocity of a car traveling 0.75ters in 2.5 seconds using
meters/second (m/s)
Answer:
Distance covered:0.75
Time take:2.5
Velocity = distance/time
V=0.75/2.5
V= 0.3m/s
Hope this helpes
uses of concave and convex mirror
hello?
Explanation:
→ Uses of Convex Mirror
• Convex mirrors are often used in the hallways of buildings including stores, schools, hospitals, hotels and apartment buildings.
• They are used in driveways, roads, and alleys to provide safety to all the bikers and motorists at curves and turns and other places where there is a lack of visibility.
• They are also used in some automated teller machines as a handy security feature that allow user to see what all is happening behind them.
• They are used in passenger side mirror on a car and somewhere it is labelled as “objects in mirror are closer than they appear” to warn the driver.
→ Uses of concave mirror :
• Head mirrors
• Shaving mirrors
• Headlights
• Ophthalmoscope (optical instrument)
• Solar furnaces
• Astronomical telescopes
Describe how acceleration happens in the context of a collision.
Plz help<3
Answer:
(Hope this helps can I pls have brainlist (crown)☺️)
Explanation:
In a collision, both objects are subjected to a force that causes them to accelerate. Despite the fact that the forces are equal in magnitude and direction, the least massive item experiences the highest acceleration. When two objects of identical mass collide, they both experience the same acceleration.
A collision is a brief encounter between two or more bodies that results in a change in motion of the bodies involved as a result of internal forces acting between them. Forces are involved in collisions (there is a change in velocity ).
NEED HELP!!! 13 POINTS!!!!!!
According to Newton’s first law of physics, which explains what happens to a baseball when it is hit with a bat?
OPTIONS:
A.
The course of the ball cannot be changed as long as it remains in motion.
B.
The ball lacks force or momentum but gets momentum when it hits an unbalanced force.
C.
The ball is an unbalanced force and can only have its course altered by a stationary object.
D.
The ball is traveling at a steady speed until it hits an unbalanced force and changes direction.
PLEASE NO LINKS
Answer:
Your answer will be D.
The ball is traveling at a steady speed until it hits an unbalanced force and changes direction.
Explanation:
The ball is traveling at a steady speed until it hits an unbalanced force and changes direction. The correct option is D.
Thus, An unbalanced external force acts upon an item, Newton's first law of motion, often known as the law of inertia, asserts that an object at rest will remain at rest and an object in motion will continue to move in the same direction and at the same pace.
When a baseball is struck with a bat, it is originally at rest or moving steadily forward.
The ball experiences an imbalanced force when it is struck by the bat, altering its direction and speed. The bat's application of external force is what causes this shift in motion.
Thus, The ball is traveling at a steady speed until it hits an unbalanced force and changes direction. The correct option is D.
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to digitize sound, a process called _____ is used to measure the amplitude of a sound wave thousands of times per second.
Answer: Sound recording and production
Explanation: Digital audio is also the name for the entire technology of sound recording and reproduction using audio signals that have been encoded in digital form.
If the distance around a circular track is 2.0km and if runners run 3 laps, what is the distance travelled?
a) 2 km
b) 0km
c) 3 km
d) 6 km
Answer:
d=6km
Explanation:
because multiply 2x3 is six
A person travels 350 km at an average speed of 60 km/hr. How long did it take?
Answer: 5.8 hours
Explanation:
Time= distance divided by speed, so:
350 divided by 60= 5.8 hours
What is the volume of a metal that has a density of 6.2g/cm3 and a mass of 13.8 grams?
Answer:
the answer would be 2.23
Explanation:
that is also a rounded up decimal! to find your answer, divide the mass (13.8) by the density (6.2) to find your volume :)
A car accelerates from 4 meters/second to 16 meters/second in 4 seconds. The car’s acceleration is meters/second2.
Answer:
3m/s^2
Explanation:
VF-VI/time
16-4/4
12/4
3
An unknown element shiny in color, malleable, conducts electricity, and is in group 2 on the periodic table is a non-metal.
True
False
what is the meaning of vitality