Find the gravitational force that Earth (mass = 5.97 x10^24 kg) exerts on the moon (mass = 7.35 x 10^22 kg) when the distance between them is 3.84 x 10^8m.

Astudent looks at ocean waves coming into the beach. an ocean wave with more energy will a) have a greater height. b) have a greater period. c) travel toward the beach faster. d) strike the beach with greater frequency.

Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.

In which of the following is positive work done by a person on a suitcase