How much work is done by the gravitational force when a 265-kg pile driver falls 2.80m?

How much work is done to move 2.10 μC of charge from the negative terminal to the positive terminal of a 3.50 V battery?

Which is an inorganic compound? A. Sample A contains aluminum, hydrogen, and oxygen. B. Sample B contains carbon, hydrogen, and bromine. C. Sample C contains carbon, hydrogen, and nitrogen.

Rutherford proposed that a. the atom is mostly solid space b. the electrons are spread through a solid, positive nucleus c. the electrons are located around a nucleus d. atoms are the smallest piece of matter

The weight of a person is 500N and his foot imprint is 0.5 m square. Calculate the total pressure exerted by a person when he stands on both feet.

If the zero level is a distance 2h/3 above the floor, what is the potential energy U of the block on the floor?

What is the period of vibration for a wave with a frequency of 150 hertz?

What direction do s waves move in

A car has an initial velocity of 11.2 m / sec. the car accelerates at 10.0 m / s2 for 8.0 seconds. what is the velocity of the car at the end of the 8.0 seconds?

You're going to open the door further by giving it a brief, hard push. first, you'll push the door at its center. then, you'll push it near the door knob. both pushes are equally hard, and last the same length of time.

In which phenomenon does Earth's magnetic field play an important part? A retaining gases around Earth to form the atmosphere B. stratifying the atmosphere into layers c. movements of tectonic plates D. spreading of the sea floor E.