Physics Problem: A 2kg ball is thrown vertically upwards at a velocity of 20 m/s. What is the velocity of the ball when it is 15 meters above the ground? Gravity is 10 m/s. What is the Potential energy of the ball at it's maximum height?
T he velocity of the ball when it is 15 meters above... View the full answer
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Mass of ball m = 2 Kg, Initial velocity u = 20 m/sec , So the initial Kinetic energy given is K.E i = 1/2 mu 2 = 0.5 x 2 x 20... View the full answer