When objects are free to move under the
affects of gravity, we say that those
objects are in what?

1.Orbit
2.Eclipses
3.Rotation

How much work is done lifting a 9.10 kg box straight up onto a shelf that is 1.80 m high?

How are momentum and impulse related? impulse is a whim to do something, while momentum keeps it going impulse is another name fore instantaneous momentum the impulse acting on and object is equal to the change of momentum it causes. the impulse that acts on and object is the momentum that results.

Hydrogen and helium are both members of?