NEED HELP A 787 Dreamliner was able to obtain a speed of 0.85 Mach (1041 kph) with a mass of 227 930 kilograms. What is the Dreamliner's momentum at that speed? Give the answer to all momentum questions in kg • m/s.

Ahot-air balloon is 11.0 m above the ground and rising at a speed of 7.00 m/s. a ball is thrown horizontally from the balloon basket at a speed of 9.00 m/s. ignore friction and air resistance and find the speed of the ball when it strikes the ground.