2-D motion - Physics 125 Discussion #3 Problem 1: A...

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Physics 125 Discussion #3 1 Problem 1: A freely-falling coin A one-euro coin is dropped from the Leaning Tower of Pisa. It starts from rest and falls freely. (3) What is the coin’s position y at an arbitrary time t? (4) Compute the coin’s position after 2.0 s. (5) What is the coin’s velocity v y at an arbitrary time t? (6) Compute the coin’s velocity after 2.0 s. (1) Define your coordinate system. Remember to mark the origin O . (2) Let’s list the known factors: a. initial position: y 0 = _____________ b. initial velocity: v 0 = _____________ c. acceleration: g = ____________
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Physics 125 Discussion #3 2 Problem 2: Up and Down Motion in Free Fall You throw a ball vertically upward from the roof of a tall building. The ball leaves your hand at a point even with the roof railing with an upward speed of 15.0 m/s; the ball is then in free fall. On its way back down, it just misses the railing. (3) Find the position and velocity of the ball 1.00 s after leaving your hand.
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2-D motion - Physics 125 Discussion #3 Problem 1: A...

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