When a ball with a mass of 50 g is thrown into the air at a speed of 16 m/s by forming an angle of 30' with the ground (a) Find the kinetic energy of this ball immediately after it is thrown and just before it falls to the ground. (b) Also find the magnitude and direction of momentum in each case. (c) Show that the change in momentum is equal to the weight of the ball multiplied by the flight time.
When a ball with a mass of 50 g is thrown into the air at a speed of 16 m/s by forming an angle of 30' with the ground (a) Find the kinetic energy of this ball immediately after it is thrown and just before it falls to the ground. (b) Also find the magnitude and direction of momentum in each case. (c) Show that the change in momentum is equal to the weight of the ball multiplied by the flight time.
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Transcribed Image Text:When a ball with a mass of 50 g is
thrown into the air at a speed of 16 m/s by
forming an angle of 30' with the ground
(a) Find the kinetic energy of this ball
immediately after it is thrown and just
before it falls to the ground.
(b) Also find the magnitude and direction of
momentum in each case.
(c) Show that the change in momentum is
equal to the weight of the ball multiplied by
the flight time.
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