A baseball is thrown horizontally from a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of thE following statements is correct?
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- •Upon finishing your final exam in this class, you throw your textbook straight up in the air as you pass your professor, such that it will land on his head. If the top of his head is a height H above the ground, and you release the book with a velocity v0 at a height h above the ground (H>h), find: • a)How long it takes the book to reach its highest point? ● b)The distance to the highest point from the ground. ● c)How long it is in the air before it hits your professor’s head?A ball is projected with an upward velocity of 20m/s and initial horizontal velocity of 25m/s. (a)find the position and velocity of the ball after 2s (b) how much time is required to reach the maximum height? (c) what is the maximum height? (d) how much time is required for the ball to return to its original level? (e) what horizontal distance is travelled during this elapse of time?A stone is thrown horizontally at a speed of 5.0 m/s from the top of a cliff 78.4 m high. a. How long does it take the stone to reach the bottom of the cliff? b. How far from the base of the cliff does thew stone hit the ground? c. What are the horizointal and vertical components of the stone's velocity just before it hits the ground? How would the three answers to the above problem change if: a. the stone were thrown with twice the horizontal speed? b. the stone were thrown with the same speed, but the cliff were twice as high?
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