Shawn is doing drills out on the field by pulling a tire behind him for 30 m. If Shawn is applying a net force of

1200 N to pull the tire, then how much work is Shawn doing?

Answers

Answer 1

Answer:

The work done by Shawn in moving the tire is 36,000 J

Explanation:

Given;

net force applied by Shawn , F = 1200 N

distance he moved the tire, d = 30 m

The work done by Shawn in moving the tire is calculated as;

W = Fd

Substitute the given values and solve for Work done;

W = 1200 x 30

W = 36,000 J

Therefore, the work done by Shawn in moving the tire is 36,000 J


Related Questions

Help me please with science

Answers

Answer:its b

Explanation:

What is always true about the light ray that emerges from the right side of the lens?

Answers

Move the candle on the left back and forth and up and down. What is always true about the light ray that emerges from the right side of the lens? Turn off the Parallel line and turn on the Line through focal point. ... A real image is formed where the light rays emitted from a point converge on the other side of the lens.

Un consumator electric conectat la o tensiune de 220V are rezistenta electrica R=100ohmi Ce putere electrica are consumatorul? 1 point 484W 220W 440W

Answers

I’m sorry to say I don’t wanna be confusing but you dived it by 77 and get 99

please help me!! will mark brainliest

Answers

You draw it with a pencil I just did this

What causes wind to follow patterns

Answers

Answer: Wind follows a pattern because the Earth is spinning in one motion. If we were spinning in one way then another we would have one day go by then the spinning cycle would change and we would have to go through that day all over again, it would not be logical because then we would be in the same season as well, we would be in one season for the rest of our lives until we died.

I don't know if this was helpfull or not but I hope it was somewhat close to helpful? If it is not then please do not report this, I am sorry if this was the least bit helpful.

HAVE A NICE DAY! :)

How will recreation be affected by sea level rise?

Answers

Answer:

Scientists predict that sea levels could rise up to six-feet by 2100. An increase this large will swallow beaches—impacting public access, beach recreation, and healthy ecosystems. ... With less sand beach-goers will have a completely different recreational experience in the future.

Explanation:

2. What is the acceleration of gravity on Planet x on which an object weights 300 N if it weighs 98 N on Earth?​

Answers

Answer:on Planet X on which an object weighs 300 N if it weighs 98 N on Earth? ... How are weight, mass, and acceleration due to gravity related

Explanation:

50 POINTS !!!

What happens to ice when in water?

Answers

The ice will MELT in the water.

Sam is moving house and is carrying a 300N box of books up a flight of steps 5m high, it takes her 30 seconds. Gary follows her carrying a bag of clothes doing 1000 J of work; it only takes him 25 seconds. Who provides the biggest power? Show your working.

Answers

Answer:

Sam is providing the biggest power i.e. 50 W

Explanation:

Sam is moving house and is carrying a 300N box of books up a flight of steps 5m high, it takes her 30 seconds.

Sam's power :

[tex]P_1=\dfrac{W_1}{t_1}\\\\P_1=\dfrac{F_1d}{t_1}\\\\P_1=\dfrac{300\times 5}{30}\\\\P_1=50\ W[/tex]

Gary follows her carrying a bag of clothes doing 1000 J of work; it only takes him 25 seconds.

Gary's power :

[tex]P_2=\dfrac{W_2}{t_2}\\\\P_2=\dfrac{1000}{25}\\\\P_2=40\ W[/tex]

So, it is clear that Sam is providing the biggest power.

Which is NOT a part of an electric motor?
a.
armature
b.
brushes
c.
commutator
d.
slip ring

Answers

D. Slip ring, hope this helps

If the body's temperature is above 105 °F for a prolonged period, heat stroke
can result. Express this temperature on the Celsius scale.
OA 40.5°C
OB 58.3°C
OC 76.1°C
KOD 131.4°C

Answers

Answer:

A

Explanation:

C = (F-32)*5/9 = 73*5/9 = 40.55555

since the answers are spread apart, technically you can just estimate by doing -32

and then /2

since 5/9 is close to 1/2

Sam is moving house and is carrying a 300N box of books up a flight of steps 5m high, it takes her 30 seconds. Gary follows her carrying a bag of clothes doing 1000 J of work; it only takes him 25 seconds. Who provides the biggest power? Show your working.

Answers

Answer: Sam provides the biggest power

Explanation: Power is defined, in Physics, as the rate of work done. Work is energy transferred to an object due to the force causing the displacement of the object.

So, to determine Power:

For Sam:

P = [tex]\frac{work}{time}[/tex]

[tex]P=\frac{F.d}{t}[/tex]

[tex]P=\frac{300.5}{30}[/tex]

P = 50 Watts

The unit for Power is [P] = J/s = Watt

For Gary:

P = [tex]\frac{work}{time}[/tex]

[tex]P=\frac{1000}{25}[/tex]

P = 40 Watts

Comparing power of Sam and Gary, we can conclude that Sam provides the biggest power of 50 Watts.

A dart is thrown from 1.50 m high at 10.0 m/s toward a target 1.73 m from the ground. At what angle was the dart thrown?

Answers

Answer:

The angle of projection is 12.26⁰.

Explanation:

Given;

initial position of the dart, h₀ = 1.50 m

height above the ground reached by the dart, h₁ = 1.73 m

maximum height reached by the dart, Hm = h₁ - h₀ = 1.73 m - 1.50 m= 0.23 m

velocity of the dart, u = 10 m/s

The maximum height reached by the projectile is calculated as;

[tex]H_m = \frac{u^2sin^2 \theta}{2g}[/tex]

where;

θ is angle of projection

g is acceleration due to gravity = 9.8 m/s²

[tex]H_m = \frac{u^2sin^2 \theta}{2g}\\\\sin^2 \theta = \frac{H_m \ \times \ 2g}{u^2} \\\\sin^2 \theta = \frac{0.23 \ \times \ 2(9.8)}{10^2} \\\\sin ^2\theta =0.04508\\\\sin \theta = \sqrt{0.04508} \\\\sin \theta = 0.2123\\\\\theta = sin^{-1}(0.2123)\\\\\theta = 12.26^0[/tex]

Therefore, the angle of projection is 12.26⁰.

A sled is slowing down at the bottom of a snowy hill.
Which statement describes the sled's motion?
The sled has a constant velocity.
The sled is accelerating.
Is a sled slowing down at the bottom of a snowy hill accelerating or constant velocity

Answers

Answer:

A sled and its rider are moving at a speed of along a horizontal stretch of snow, as Figure 4.24a illustrates. The snow exerts a kinetic frictional force on the runners of the sled, so the sled slows down and eventually comes to a stop. The coefficient of kinetic friction is 0.050. What is the displacement x of the sled?

friction that resists the motion between two objects that are not moving

Answers

Answer:

static friction is the friction that resists the motion between two objects that are not moving


On the pH scale, where can you find strong acids and strong bases?

Answers

Answer

Higher number = strong acids

Explanation:

The pH scale is an index ranging from 0-14 which measures the acidity or basicity of substances. The closer the pH of an acid to 0 the stronger it is and the closer the pH of a base to 14,the stronger it is.

You look at yourself in the mirror and notice many of your physical features: your hair color, eye color, your height, dimples, etc. How does DNA relate to the way you look the way you do?

Answers

well, you get some DNA from both of your parents, so when you hear the phrase, "You have your mother's eyes!" That means you have some of your mother's DNA that gave you her eye color. The DNA you get from your parents help determine how you look today

What is the kinetic energy of a 74.0 kg man traveling in a car at a speed of 52.0 m/s?

Answers

Kinetic energy = 1/2mv^2
Mass m=74kg
Velocity C=52m/s
K.E= 0.5*74*52*52
K.E=100048J or 100.048kJ

Select the correct answer.
Which diagram represents an object in equilibrium?
ОА.
applied
force = 20 N
force due to
friction = 15 N
OB.
applied
force = 20 N
force due to
friction = 20 N
OC.
applied
force = 15 N
force due to
friction = 25 N
OD.
applied
force = 30 N
force due to
friction = 20 N
ОЕ.
applied
force = 30 N
force due to
friction = 15 N
Reset
Next
My

Answers

Answer:

B

Explanation:

The force and friction cancel each other.

20N - 20N = 0N acting on the object.

What is osomsis and diffusion ​

Answers

Answer:

Osmosis is the movement of solvent particles across a semipermeable membrane from a dilute solution into a concentrated solution. ... Diffusion: Diffusion is the movement of particles from an area of higher concentration to lower concentration. The overall effect is to equalize concentration throughout the medium.

Which of the following is an example of kinetic energy?


athlete running in a race

battery charging in a garage

apple hanging from a tree

water boiling on a stove

Answers

Answer:

A. Athlete running in a race

Explanation:

Kinetic energy haves something to do with movement

Athlete running in a race
Why: I took the test

A ray diagram is shown.

Answers

Answer:

Angle of Refraction ?

Explanation:

My decided answer on this question

how many elements does lythium have

Answers

Answer:

three 3

Explanation:

A ball is pushed into a spring-loaded launcher with a force of 20 N, which compresses the spring 0.08 m.
A) What is the spring constant of the spring
B) Find the elastic potential energy (PEs) stored in the spring (or the work done on the spring)

Answers

Answer:

0.8J

Explanation:

Given parameters:

Force  = 20N

Compression  = 0.08m

Unknown:

Spring constant  = ?

Elastic potential energy  = ?

Solution:

To solve this problem, we use the expression below:

           F = k e

F is the force

k is the spring constant

e is the compression

             20  = k x 0.08

              k  = 250N/m

Elastic potential energy;

       EPE  = [tex]\frac{1}{2}[/tex] k e²    =  [tex]\frac{1}{2}[/tex]  x 250 x 0.08²

 Elastic potential energy = 0.8J

Which graph accurately shows the relationship between kinetic energy and mass as mass increases

Answers

Answer:

c

Explanation:

energy doesnt affect to mass of a object

A distance of 0.002 m separates two objects of equal mass. If the gravitational force between them is
0.0104 N, find the mass of each object.​

Answers

Answer: 24.97 kg

Explanation:

The gravitational force between two objects of masses M1, and M2 respectively, and separated by a distance R, is:

F = G*(M1*M2)/R^2

Where G is the gravitational constant:

G = 6.67*10^-11 m^3/(kg*s^2)

In this case, we know that

R = 0.002m

F = 0.0104 N

and that M1 = M2 = M

And we want to find the value of M, then we can replace those values in the equation to get

0.0104 N = (6.67*10^-11 m^3/(kg*s^2))*(M*M)/(0.002m)^2

(0.0104 N)*(0.002m)^2/(6.67*10^-11 m^3/(kg*s^2)) = M^2

623.69 kg^2 = M^2

√(623.69 kg^2) = M = 24.97 kg

This means that the mass of each object is 24.97 kg

magnetic field strength decrease when what is increases

Answers

Ans: One way to increase or decrease the strength of the magnetic field is to change the number of loops in the coil. The more loops you add, the stronger the field will become. The more loops you remove, the weaker the field will become.

Hooke's Law Question - Will mark brainliest

A spring of natural length 10cm and spring constant 4.00Ncm −1 has a load of 22.0N placed on it. What is its new length?

Answers

Explanation:

Hooke's Law: Fe = kx

x = Fe / k = (22.0N) / (4.00N/cm) = 5.50cm.

10.00cm + 5.50cm = 15.50cm

The new length of the spring is 15.50cm.

in 1965, two scientists made a surprising discovery. they detected a faint microwave radiation signal coming from all over the universe
what is this microwave radiation?i’ll give brainlist

Answers

Answer: someone took down my answer I don’t know why when I took this test and got it right but the answer is C like the other person said.

Explanation:

The microwave radiation referred to in this context is radiation that was released as matter formed in the early universe. Therefore option A is correct.

Microwave radiation, also known as cosmic microwave background radiation (CMB), is a faint radiation that permeates throughout the universe.

It is considered to be the remnants of the thermal radiation released shortly after the Big Bang, during a phase called recombination. At this time, the universe transitioned from a hot, dense plasma to a state where neutral atoms could form, allowing photons to travel freely.

The cosmic microwave background radiation is isotropic, meaning it is uniformly distributed in all directions, and it has a characteristic temperature of approximately 2.7 Kelvin (-270.45 degrees Celsius).

It was first detected in 1965 by Arno Penzias and Robert Wilson, who were awarded the Nobel Prize in Physics for their discovery.

The presence of cosmic microwave background radiation provides strong evidence for the Big Bang theory and helps to support the understanding of the early universe's formation and evolution.

It serves as an important tool for studying cosmology and provides insights into the structure, age, and composition of the universe.

Know more about CMB:

https://brainly.com/question/30416668

#SPJ4

How can shorter string produce more fundamental frequency in two string of different length?​

Answers

Answer:

Shorter string produces more frequency in two different strings because the equation for frequency is velocity/wavelength , this means that a shorter string creates a shorter wavelength which essentially increases the total frequency produced

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