An object on earth has a mass of 4 kg. calculate its weight on another planet that has an acceleration due to gravity one-half that of the earth.

According to the second law of thermodynamics, what is true of entropy in all natural systems?

A spherical, non-conducting shell of inner radius r1 = 10 cm and outer radius r2 = 15 cm carries a total charge Q = 15 μC distributed uniformly throughout the volume of the shell.

How are mm hg torr psi atm and pa related to each other mathematically?

An 880n box is pushed across a level floor for a distance of 5.0m with a force of 440n. how much work was done on the box

What effect would a current of greater than 0.2 amp have on your body? a. It would be almost unnoticeable. b. It might cause an irregular heartbeat and disrupt the flow of blood. c. It could cause burns and stop your heart. d.

Which force does not operate at a distance of 1 m? A. Weak nuclear O B. Electric C. Gravitational D. Magnetic

The deflection of alpha particles in rutherford's gold foil experiments resulted in what change to the atomic model?

What happens during evaporation? A liquid changes to a gas. A liquid changes to a solid. A gas changes to a liquid. A solid changes to a liquid.

In a nuclear reaction, what is the name for the difference in mass when one type of matter is converted into another? A. radiation B. nucleons C. antimatter D. mass defect

Aspect of the physical world