The weight of an object will not change when moving from the earth to the moon.
a. true
b. false

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm

What is the rate of change in a objects position?

Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?