Sky divers jump out of a plane at an altitude of 5000 m. How much time will pass until they deploy their parachutes at an altitude of 1220 m? Assume that air resistance is negligible.
t=_s

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 new moon happens on january 15th, what shape will it be on february 6th?

The solid that is formed and usually sinks to the bottom of a solution is the