Select the correct answer. What is the momentum of a 35-kilogram cart moving at a speed of 1.2 meters/second?
A. 42 kilogram-meters/second
B. 70 kilogram meters/second
G 4.2x 10 kilogram meters/second
D. 70 x 10 kilogram meters/second
X

A900 kg roller coaster car is travelling westward on the track and begins to slow down from 18m/s to 2m/s. how long does it take the roller coaster car to decelerate if the force acting on the car to slow it is 7024n? how far does the roller coaster travel during this time?

The force will determine the acceleration.

Need people build a dam to create a reservoir that supplies water a nearby city needs. describe two ways this action will likely affect the water cycle in the local environment. (5 points) worth 20 points