In a collision that is not perfectly elastic, what happens to the mechanical energy of the system?

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

20. threshold braking in the vehicle's braking system occurs when a. the brake pedal is pushed, heel on floorboard, with full foot pressure. b. the brakes are exerting full braking power, without traction loss. c. the driver begins pushing down the brake pedal, with moderate slowdown. d. the brakes just begin to take hold with a gradual slowdown.

The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes