Suppose you have a massless beam that you’d like to balance. You are told to hang a 100 gram mass hanging 3 cm to the left of the fulcrum. How far away would we need to hang a 25 gram mass to the right of the fulcrum to achieve balance?

Explain earth's motion, using the terms "precession" and "rotation" in your answer.

Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?

Which sound characteristic is not affected by the relative motion of an object