1. Calculate the gravitational force of: a. the sun on the earth (3.5 x 1022 N)
b. the earth on the moon (1.99 x 1020 N]

If a stone with an original velocity of 0 is falling from a ledgeand takes 8 seconds to hoybthe ground whays the final velocity of the stone

1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?

Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these