A freight train moves with a velocity of 17 m/s to the North. The mass of the train is 6 x 106 kg. What would have to be the velocity of a 2000 kg car if the car were to have the same momentum?

Aferris wheel is a vertical, circular amusement ride with radius 9 m. riders sit on seats that swivel to remain horizontal. the ferris wheel rotates at a constant rate, going around once in 9 s. consider a rider whose mass is 56 kg. at the bottom of the ride, what is the perpendicular component of the rate of change of the rider's momentum? at the bottom of the ride, what is the vector force exerted by the seat on the rider?

Although light from the sun appears white, it is actually made up of a lot of different colors. this portion of the electromagnetic spectrum, we call white light is referred to as within the electromagnetic spectrum.

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.