A student fires a cannonball diagonally with a speed of 22m/s from a height of 67m as shown. Neglect drag. Determine all unknowns and answer the following questions.
How long did the ball rise?
units- seconds
What was the ball's maximum height above the ground?
units- meters
How long did the ball remain in the air?
units- seconds
How far from the base of the building did the ball land?
units- meters
How fast was the ball moving as it struck the ground?
units- m/s
At what angle (with the horizontal) did the ball land?

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

Could someone . i have tried to solve myself but my calculation is off

Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix. b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds. c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer. d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.