What is the weight of a 5kg object at the surface of the earth? A. 49N
B. 49kg
C. 5.0kg
D. 25N

How much work would be needed to raise the payload from the surface of the moon (i.e., x = r) to an altitude of 5r miles above the surface of the moon (i.e., x = 6r)?

Protons and neutrons are found within the nucleus of an atom

Explain what makes a passenger in a turning car slide toward the door. critical thinking