While skiing, sam flies down a hill and hits a jump. he has a mass of 75 kg, and he leaves the jump at 18 m/s. what is his momentum as he leaves the jump?

i dont understand plz show work

The slope of a good speed time indicates ? a. velocity b. acceleration c. direction d. speed

An airplane flying parallel to the ground undergoes two consecutive displacements. the first is 76 km at 39.8◦ west of north, and the second is 156 km at 59.9◦ east of north. what is the magnitude of the plane’s total displacement? answer in units of km. 020 (part 2 of 2) 10.0

Use the information presented in the graph to answer the questions. which segments show acceleration? which segment indicates that the object is slowing down? what is the velocity of segment b? what is the acceleration of segment b?