A 150-N crate slides with constant speed a distance of 10 m downward along a rough slope that makes an angle of 30° with the horizontal. The work done by the force of gravity (in J) is: 10m- W 30 O a. 750 O b. 950 Ос. 500 d. 650 e. 850
Q: A crane slowly lifts a 215 - kg crate a vertical distance of 19 m. V mg F W crane (a) How much work…
A: Given data: Mass (m) = 215 kg Vertical distance (h) = 19 m Required: The work done by crane,…
Q: You are trying to move a crate with mass 22 kg from A to B onsite. You don't know the value of h,…
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Q: You do 14 J of work to stretch a spring with k = 190 N/m, starting with the spring unstretched. How…
A: Given data: Work (W) = 14 J Spring constant (k) = 190 N/m Initially spring is unstretched Required:…
Q: Which of the following is correct / True? O A. The kinetic energy of a system must always be…
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Q: A box with mass m = 39_kg slides down a Ar = 15 m ramp with incline o = 29°. Find the work done by…
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Q: A 4.50 kg block is acted on by a 20.9N net force. If the block starts from rest, then at the end of…
A: Given Data :mass of block m = 4.5 kgmagnitude of Net force F = 20.9 Nlet force acts in n^ hence F→…
Q: 4.00 F(r) = 32.07 – 16.0xyî - x2 A three-dimensional force is given by %3D What is the work done, in…
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Q: 11. Airflow lifts a 3.6 kg bird 50 m up. How much work was done by the flow?
A: We know that, Law of conservation of energy states that energy can neither be created nor…
Q: In the figure shown, if the mass (m-9 Kg) is moving with constant speed and traveled a distance d=16…
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Q: Question: 1a. If the book is actually going 3.00 m/s, what was the coefficient of friction between…
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Q: (9%) Problem 6: A block of mass 0.442 kg is released from rest at point A, and it slides down a…
A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…
Q: A force of 434.0 N is exerted on a 1,250 N car while moving it a distance of 2.65 m. How much work…
A: Express the relation for the work done on the car. W=Fd Here, W is the work done, F is the force…
Q: A block of mass 12kg is being pulled to the right by a rope that makes a 37 degree angle with the…
A: Given data: Mass (m) = 12 kg Angle (θ) = 37° with the horizontal Displacement (d) = 21 m Tension…
Q: a helicopter lifts a 100kg crate straight up via cable, with an acceleration of 0.8m/s. if the crate…
A: mass = 100 kg acceleration = 0.8 m/s2distance = 5 m Apparent weight = m(g+a) = 100 (10+0.8) = 1080 N…
Q: 3.Starting from the rest and height of 8 m, a 3 kg object slides down a 30° m incline, reaching the…
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Q: A 3kg object is pulled along a horizontal surface at a constant speed by a 15 N force acting at…
A: m=3 kgF=15 Nθ=200d=12 mW=?
Q: A car (m=1000 kg) is initially moving at a speed of 20 m/s (~45 mph) when the driver hits the brakes…
A: Work done is equal to change in kinetic energy W=∆EK=12mvf2-vi2=121000 kg0-20 ms2=-200000 J=-200 kJ
Q: On the y-axis (Free Fall, thus FG = W =mg), a 9 kg object is released from 15 m. a. Calculate the…
A: Here we have to use formula for calculating work done that is given as W= F.dr Here F is force dr…
Q: What is the work done by the normal force FN ? A. F,dcos(30) B. F dcos(45) C. F dcos(60) D.…
A: Let FN denotes the work done by the normal force and d denotes the displacement of the block along…
Q: A 4.5 kg sled is pulled across level snow with a force of 225N on a rope that is 35 degrees above…
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Q: The work done in pushing a TV set a distance of 2 m with an average force of 55 N is _________ . In…
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Q: To clean a floor, a janitor pushes on a mop handle with a force of 50.0N.(a) If the mop handle is at…
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Q: Children in a tree house lift a small dog in a basket 4.70m up to their house. If it takes 201J of…
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- A 5.00kg block starts from rest at the top of a 30.0° incline and slides 2.0m down the incline in 1.50s. How much work does gravity do on the block for 1.50s? a. 85J O b. - 85J O c. 98J O d. 49J e. - 49JAn arctic tractor drags a 45 ton (thats metric ton: 1 ton = 1000 kg) across the snow, which has a friction coefficient of 0.075, a distance of 4500 kilometers. How much work did the tractor do? Make sure you SYW.For the three cases shown below, assuming the displacement is 4.0 m to the right. Match the answers with questions. 10 N 8 N 6 N 60° the work done by the 10-N force + the work done by the 8-N force + the work done by the 6-N force A. OJ В. 32J С. 16] D. 40J Е. 24]
- 9. AV R 6121W Higgins A.Nouvel onglet R 2634 W catalpa.. Physics 235-Spring 2023 Chapter 7 Worksheet The cable of a crane is lifting a 750 kg girder. The girder increases its speed from 0.25 m/s to 0.75 m/s in a distance of 3.5 m. a. How much work is done by gravity? b. How much work is done by tension?do on the shopping cart? W -107.5 J 2. You apply a force of 1.5 N at an angle of 34° from the vertical on a block that is sitting on a friction-less table. The force you apply causes the block to slide across the table for 1 m. How much work did you do to move the block? 0.84 J 3. An 8.5 kg package in a mail sorting room slides 20 mdown a chute thatA child pulls a wagon 5.0 m using a force of 25 N at an angle 15 degrees above horizontal. The force of friction on the wagon is 8.1 N. Calculate the work done on the wagon in the horizontal direction. a. 6.5 J b. 24.1 J c. 32.5 J d. 80 J e. 84.5 J f. 125.1 J g. 125 J h. don't be silly, you can't calculate the net work without the change in KE!!