Work
A student holds a 15 kg bowling ball 1.5 m above the ground for 15 s. How much work is done on the ball?
What is 0 J?
Kinetic energy of a 50.0 g bullet traveling at 365 m/s
What is 3330 J?
Mechanical energy of a 2 kg ball before striking the ball. The ball is dropped at a height 8 m.
What is 156.96 J?
Distance traveled for a block of wood pushed at a constant velocity with a force of 25.0 N and net work of 100.0 J
What is 4 m?
A 7.5 kg bowling ball sits on a 1.10 m desk. If a student lifts the ball 0.90 m above the desk, how much potential energy does it have with respect to the desk?
What is 66.22 J?
Kinetic energy of a waddling armadillo of mass 500kg moves at 5 m/s.
Speed of 50 kg boulder and the cliff is 450m high before hitting the ground.
What is 94.9 m/s?
The work needed from a 100 N force applied at an angle of 30 degrees to the horizontal to move a 15 kg object on a frictionless surface for a horizontal distance of 5 m.
What is 433 J?
Potential energy of a 10 kg textbook sitting on a shelf 3 meters high
What is 294.3 J?
Speed of a 3.91 N baseball with 775 J of kinetic energy.
What is 62.4 m/s?
A 0.85 kg soccer ball is booted straight up in the air. If it left the soccer player’s foot at a height of 1.0 m and reaches a height of 47.0 m, what was its kinetic energy immediately after it was kicked?
What is 380 J?
The work a force of 10 N applied to a 2.0 kg mass at rest on which the force of friction is 4.0 N after two seconds.
What is 36 J?
The potential energy of a 40-kg cannon ball is 14000 J. How high was the cannon ball to have this much potential energy
What is 35.71 m?
Mass of a disk with 78.125J of kinetic energy and moving at 25 m/s.
What is 0.25 kg?
Imagine you’re standing on a stepladder and you drop a basketball. The first bounce will be highest. Each bounce after that will be lower until the ball stops bouncing. What might be the reason behind this?
What is Thermal Energy/Friction?
Work done on a 1200 kg car traveling at 60.0 km/h hits the brakes and comes to a stop in 32 m.
What is -1.7 x105 J?
Spring force constant for a 0.15 m stretched bow an archer uses 2000 J of energy to pull.
What is 177,777.78 N/m ?
The amount the kinetic would increase if speed decreases by 3 but mass increases by 10
What is 10/9?
A box slides down a frictionless ramp as shown. How fast is it traveling at the bottom?
What is 14 m/s?