In this lab, you will use a dynamics track to generate collisions between two carts. If momentum is conserved, what variable change would result in a velocity change after a collision? In the space below, write a scientific question that you will answer by doing this experiment. E2020

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.

How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader