Physics

Clare

9 April, 09:42

A ball is thrown up onto a roof, landing 4 sec later at height of 20m above the release level. The balls path just before landing is angled at 60 degree with the roof.

a) find the horizontal distance d it travels. b) what is the magnitude of the balls initial velocity?

c) what is the angle (relative to the horizontal) of the balls initial velocity?

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