A rock thrown vertically upward from the surface of the moon out of velocity of 32 m/sec reaches a height of s =32t-.8t^2   A. Find the rocks velocity and acceleration at time t. B. How long does it take the rock to reach its highest point. C. How high does the rock go. D. How long does it take the rock to reach half its maximum height. E. How long is the rock aloft.

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Q: The kinetic energy of a 4.0 kg object moving at 3.0 m/s is: 1. 12 J *2. 18 J 3. 36 J 4. 48 J

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Q: B1 B2 B1 B2 d d

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Q: P17 Parallel to each other there are four thin lenses along the same optical axis, as shown in the f...

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –