15. A stone is thrown straight up from the edge of a roof, 1000 feet above the ground, at a speed of 20 feet per second. A. Remembering that the acceleration due to gravity is -32 feet per second squared, how high is the stone 2 seconds later? B. At what time does the stone hit the ground?

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A: We have to find the rate of change of angle.

Q: (d) When does it hit the ground? (e) With what velocity does it hit the ground?

A:

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A: Explanation of the answer is as follows

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A: The volume of the water at any time is,

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A: h = 1.5 mt = .42 sh = 1/2 * a * t^2====> a = 2h / t^2 = 3 / .1764 = 17.00 m/s^2final velocity, v…

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A: Answer is mentioned below

Q: Need help with the entirety of the problem

A: Given:

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A: 2

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A: Follow the procedure given below.

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Q: What constant acceleration will bring an automobile traveling 60 mph to rest in 160 feet?

A: Explained below

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A: