During a safety test, a car hits a wall and stops in 0.55 s. The net force on the car is 6500 N during the collision. What is the magnitude of the change in momentum of the car? Round answer to two significant digits. kg m

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)

If the textbook weighs 19.6 newtons on venus,what is the strength of gravity on venus?

A20 cm long spring is attached to a wall. the spring stretches to a length of 22 cm when you pull on it with a force of 100 n. what is the spring constant