Which has the greater momentum, 0.1-kg object moving at 2,000 m/sec. or a 100 kg object moving at 3 m/sec.?

Amodel rocket with a mass of 0.212 kg is launched into the air with an initial speed of 84 m/s. how much kinetic energy will the rocket have at a height of 214 m? assume there is no wind resistance. 634 j 303 j

Which type of reaction is shown in this energy diagram ?

Which of the following examples illustrates static friction? a box sits stationary on a ramp. a ball rolling on the lawn eventually comes to rest. a car rounds a curve on a road. a fish swims upstream.