Explain what causes a satellite to stay in orbit and what happens to gravity at large heights

A1,200 kg car is accelerated at 3.7 m/s2. what force was needed to produce this acceleration? a. 4,440 n b. 324.3 n c. 4,388 n d. 304.3 n

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

Ababy stroller is a rest on top of a hill which is 10 m high. the stroller and baby have a mass of 20 kg. what is the potential energy of the baby and stroller?