An object is thrown upward, from a height of 40.0 m above ground, with a speed of 12.0m/s. What time will the object reach the ground?
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- A ball is thrown upward from the ground with an initial speed of 22.0 m/s; at the same instant, another ball is dropped from a building 14 m high. After how long will the balls be at the same height above the ground?A man in a glider leaped off a cliff with an initial velocity of 3.45 m/s. He landed on the ground below, 450 meters away from the cliff. What was the amount of time required for the glider to land on the ground below? How high is the cliff in meters?An object is thrown straight up from the top of a building that is 31.2 m high. The object is thrown with a velocity of 16.4 m/s. At the same time the object is thrown upwards, a person runs along the ground with a constant speed of 3.4 m/s. When the object hits the ground, how far has the person gone in meters?
- A rock is fired straight downward from the roof of a tall building using a slingshot. If the rock leaves the slingshot with a downward velocity of 11.2 m/s, and reaches the ground with a downward velocity of 34.7 m/s, how tall is the building? How long is the rock in the air, in seconds?A juggler throws a bowling pin straight up with an initial speed of 6 m/s from an initial height of 3.4 m. How much time elapses until the bowling pin returns to the same initial height?A girl is standing at the edge of a cliff 100. m above the ground. She reaches out over the edge of the cliff and throws a rock straight upward with a speed 8.00 m/s. a) How long does it take the rock to hit the ground? b) What is the speed of the rock the instant before it hits the ground?
- A rock is thrown straight upward with an initial speed of 3.2 m/s from a height of 1.4 m above the ground. When does it hit the ground?A swimmer bounces straight up from a diving board and falls feet first into a pool. She starts with a velocity of 3.00 m/s, and her takeoff point is 1.30 m above the pool.(a) How long are her feet in the air? s(b) What is her highest point above the board? m(c) What is her velocity when her feet hit the water? m/sA hoodlum throws a stone vertically downward with an initial speed of 15.0 m/s from the roof of a building, 36.0 m above the ground. (a) How long does it take the stone to reach the ground? (b) What is the speed of the stone at impact?