13. (a) How much later does it reach the bottom of the cliff? Situation 1. A stone is thrown vertically upward with a speed of 17.5m/s from the edge of a cliff 82m high.
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- An object is thrown vertically upwards with an initial velocity of +5 m/s and then comes back down. What is the final velocity when it returns to its initial height? Ignore air resistance.In 1948 United States Air Force pilot Gail halvorsen became known as the Berlin Candy Bomber when he began dropping candy bars and Bubblegum to the children of Berlin. If he was flying with a forward velocity of 100 meters per second at a low altitude of 1000 m how far from the Berlin Wall would he have to release the candy so that it would land in the city?An object is thrown vertically downward at 18 m/s from a window and hits the ground 1.6 s later. What is the height of the window above the ground? (Air resistance is negligible.)
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- A juggler throws a beanbag straight up into the air with initial speed 6.00 m/s. The beanbag leaves the juggler's hand 1.50 m above the floor. The juggler fails to catch the beanbag as it falls to the floor. (a) How long is the beanbag in the air? (b) What is its impact speed?A young child uses a slingshot to launch a rock straight up at a speed of 12 m/s and then catches it at the point from where he launched it. What is the maximum height that the rock reaches?An object is thrown upwards with a speed of 12 m/s. How long does it take to reach a height of 3.0 m above the projection point while descending? Neglect air resistance. 0.42 s 1.2 s 4.2 s 2.2 s 3.1 s