Question:

A student fires a cannonball vertically upwards. The

Last updated: 7/4/2022

A student fires a cannonball vertically upwards. The

A student fires a cannonball vertically upwards. The cannonball returns to the ground after a 2.80s flight. Neglect drag and the initial height and horizontal motion of the cannonball. Fill in all the values below, with the units. Show the formula you use to find unknown variables for partial credit.