Which compound is composed of oppositely charged ions

The work done on an elevator that has a mass of 1000kg and lifted 4m in 10 seconds is how many joules.

The radius of the tires on a particular vehicle 0.62m if the tires are rotating 5 times per second, what is the velocity of the vehicle?

Which term describes how quickly a car is slowing down to a stop?

A 20kg rock is on the edge of a 100m cliff. what gravitational energy does the rock process relative to the base of the cliff

You slide a chair across a rough, horizontal surface. The chair's mass is 18.8 kg. The force you exert on the chair is 156 N directed 26 degrees below the horizontal. While you slide the chair a distance of 5.00 m, the chair's speed changes from 1.

Explain what it means to say that energy is conserved as a ball falls toward the ground.

The distinction between the sacred and profane is at the heart of all religions. True or false?

An object starts from rest and falls freely for 40. meters near the surface of planet P. If the time of fall is 4.0 seconds, what is the magnitude of the acceleration due to gravity on planet P?

You stand on top a building 44 m tall with a water balloon. You drop the water balloon from rest. How fast is the balloon moving when it is halfway down the building? (assume no friction)

Two sets of Christmas lights are available. For set A, when one bulb is removed, the remaining bulbs remain illuminated. For set B, when one bulb is removed, the remaining bulbs do not operate. Explain the difference in wiring for the two sets.