You lift a 3kg pumpkin to a height of 0.80 m to check it out. How much work do you do on the pumpkin when you lift it from the ground? OA. 0.24 J O B. 24 J OC. 240 J V D. 2.4 J

Q: Javier moved the 15 kg dumbbell from a rackI.I m above the floor to the weight bench 0.65 m above…

A: The mass of the dumbbell, m=15 kg   The vertical distance, ∆h=1.1 m-0.65 m=0.45 m   The acceleration…

Q: How much work do the breaks on a 3200 kg car need to do in order to slow it from 30 m/s to 20 m/s?

A: Given mass m=3200Kg V1=30m/s V2 = 20m/s According to work energy theorem work done by the car is…

Q: Davina accelerates a box across a smooth frictionless horizontal surface over a displacement of 18.0…

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Q: A gunfighter in a western movie fired a 3.0-gram bullet at 400m/s towards a hanging wooden sign that…

A: The objective of this question is to find out the work done by the sign in slowing the bullet and…

Q: A 2.00-kg (20.0-N) stone is dropped from a height of 5.0 m, and strikes the ground with a velocity…

A: Given data: Mass, m=2 kg Height, h=5 m Velocity, v=8 m/s Question is to find the work done by the…

Q: A 100 kg crate slides 10.0 m down a 40 degree incline. The coefficient of friction is 0.20. What is…

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Q: A person pushes the wall with a force of 53N . How much work the person is doing on the wall.   A.…

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Q: 2. A rollerskate is dragged across the ground for 3.4 meters, by someone pulling on its shoelace.…

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Q: A ball of mass 100 g, is dropped from a height of 22 m and moving vertically down. Ignoring the air…

A: Solution: Given: m = mass of ball = 100 g = 0.100 kg g = gravitational acceleration = 9.81 m/s2 h1 =…

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 puck, mass 0.20 kg, slides on a horizontal ice rink with a speed of (1.47x10^0) m/s. A hockey…

A: This can be solved using the work-energy theorem. As per the work-energy theorem net work done on an…

Q: A 5.00 gram bullet moving horizontally with a speed of 400 m/s collides with a wooden block. After…

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Q: A gardener pushes a lawn roller through a distance of 35m. If he applies a force of 30N in a…

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Q: lides down a pole with constant speed. What can

A: A firefighter slides down a pole with constant speed

Q: How much work is done when a 4kg block of ice is moved from rest to a speed of 5m/s?   A. 50 J…

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Q: A 5.0-kg block that initially has a speed of 6.0 m/s is moving in a straight line on a level surface…

A: Concept Work done by all forces is equal to change in kinetic energy Since only frictional force is…

Q: A 5.00kg block starts from rest at the top of a 30.0° incline and slides 2.0m down the incline in…

A: Given: The mass of the block is 5.00 kg. The angle of inclination is 30.0 degrees. The distance…

Q: Physics 235-Spring Chapter 7 Works The cable of a crane is lifting a 750 kg girder. The girder…

A: Given data: The mass the girder is m = 750 kg The initial speed is u = 0.25 m/s The final speed is…