What is the force on a 1,000 kilogram-elevator that is falling freely under the acceleration of gravity only?

The amount of work done in pumping water out of a cubical vessel of height 1 m is nearly (a) 5000 J (b) 10000 J (c) 5Job (d) 10 J

Which statement illustrates Newton's first law? Select one: a. A stone will not move unless something pushes or pulls it. b. A ball rolling across the floor eventually slows down. c. As a car comes to a stop, the passengers continue to move forward.

A 5N force acts on a bowling ball for 2 seconds. What is the impulse?

Why are planets closer to the sun made of different substance than planets father from the sun?

When a wave strikes a solid barrier, it behaves like a tennis ball hitting a wall. This demonstrates which wave behavior?

When you bring the negatively charged balloon near a rod, how do the electrons move? The electrons move away from the balloon. The electrons do not move. The electrons move toward the balloon.

Mazie stands on her kitchen floor. The coefficient of kinetic friction between her socks and the floor is 0.62, and the coefficient of static friction is 0.75. She has a mass of 42 kg. a.

The kinetic energy of an object is quadrupled. its momentum will change by what factor?

Combining which of the following substances with germanium will cause the germanium to emit free electrons? A. Bismuth B. Gallium C. Aluminum D. Indium

A 50.0-g Super Ball traveling at 25.0 m/s bounces off a brick wall and rebounds at 22.0 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 3.