H Hetty New member Jul 9, 2009 #1 A cannonball is fired straight up at 50 m/s. Neglecting air resistance, when it returns to its starting point its speed a is more than 50 m/s. b is less than 50 m/s c depends on how long it is in the air. d is 50 m/s.
A cannonball is fired straight up at 50 m/s. Neglecting air resistance, when it returns to its starting point its speed a is more than 50 m/s. b is less than 50 m/s c depends on how long it is in the air. d is 50 m/s.
L Lance New member Jul 9, 2009 #2 it will be travelling at 50 m/s the instant before it hits the ground
