What is the degrees in 3 full turns

What is a heat pump? Why does it need to put in external work? (I have 2 minutes left of a timed test)

A gas of helium atoms at 273 k is in a cubical container with 25.0 cm on a side. (a) what is the minimum uncertainty in momentum components of helium atoms? (b) what is the minimum uncertainty in velocity components?

What does the heat shock step of the transformation procedure accomplish?

Farah is doing an experiment that involves calculating the speed of a longitudinal wave. What will most likely happen if she increases the temperature in the room? The amplitude of the wave will increase. The amplitude of the wave will decrease.

What element has 5 valence electrons and is in period 3.

Which type of mirror causes beams of light to spread apart A) flat mirror B) concave mirror C) diverging mirror D) converging mirror

What conclusion can be drawn if the distance increases and force decreases

Two people are standing on a 1.75-m-long platform, one at each end. The platform floats parallel to the ground on a cushion of air, like a hovercraft. The two people, the platform and a 5.76-kg ball are all initially at rest. One person throws the 5.

According to this electric charge cannot be created or destoryed

Internal forces do not affect the conservation of momentum because (a) they cancel each other, (b) their effects are canceled by external forces, (c) they can never produce a change in velocity, (d) newton's second law is not applicable to them.