With what minimum speed should fran leave the ground

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Reference no: EM1319903

Q1. In the high jump, Fran's kinetic energy is transformed into gravitational potential energy without the aid of the pole.
With what minimum speed should Fran leave the ground in order to lift her center of mass 1.95 m and cross the bar with a speed of 0.70 m/s?

Q2. A 0.255 kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.200 kg puck that is initially moving along the x axis with a velocity of 2.06 m/s. After the collision, the 0.200 kg puck has the speed of 1.02 m/s at an angle of q = 52.7o to the positive x axis. Find out the velocity of the 0.255 kg puck after the collision.

Reference no: EM1319903

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