(a) CL) 7. (25 pts) A ball is launched from the top of a building 80 m high at a

Question

(a) CL) 7. (25 pts) A ball is launched from the top of a building 80 m high at an angle of 50 above the horizontal with a speed of 63 m/s. 50 (a) How long does it take before the ball reaches its highest point? (b) What is the maximum height of the ball above the ground? (c) How long is the ball in the air before it hits the ground? (d) How far does the ball travel horizontally before it hits the ground? (e) What is the acceleration of the ball just before it hits the ground? Extra Credit: What is the velocity of the ball just before it hits the ground? Cos 42, 48.3 o 3 sin so le accelera h of Ca 80 M or m down tag m

Explanation / Answer

This is because t is being calculated from the highest point and at the highest point in the motion of the ball,the vertical component of velocity will be zero which you had used in part a and part b.

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