How much work is needed to stop a 20g bullet moving with a speed of 150 ms-1

Suggest and explain how to produce a radar that can determine the position of a plane effectively

For the cart without a washer, how does the potential energy at the top of the ramp compare to the kinetic energy at the bottom of the ramp?

The organelle responsible for breaking down food into energy is the Golgi apparatus cytoplasm mitochondria vacuole

Four discs are spinning at constant angular velocity. Four ideantical balls are dropped on the discs at different distances from the center. The balls are dropped from rest and stick to the disc.

Does an athlete do work on a trophy as she lifts it overhead

What is general relativity in easy terms?

Temperature and volume are directly or inversely

My Notes A basketball rolls across a classroom floor without slipping, with its center of mass moving at a certain speed. A block of ice of the same mass is set sliding across the floor with the same speed along a parallel line.

How does sound travel through waves?

Solve for real t: - 25=20t-5t^2