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September 21, 2014

Posts by kulani


Total # Posts: 2

physics
22.98
February 5, 2012

physics
A tennis ball of mass 100g is dropped from a height of 40m.It hits the ground and bounces back to a height of 30m after an impact of 0,01s.Ignore the air resistance .what was the velocity of the ball when it hit the ground ?
February 5, 2012

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