A25 n object is 3 meters up. how much potential energy does it have?

Apendulum has a mass of 1.5 kg and starts at a height of 0.4 m. if it is released from rest, how fast is it going when it reaches the lowest point of its path? acceleration due to gravity is g = 9.8 m/s2. a. 2.8 m/s b. 0 m/s c. 5.9 m/s d. 4.3 m/s

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?

The solid that is formed and usually sinks to the bottom of a solution is the