Q4// A rock thrown vertically upward from the surface of the moon at a velocity of 24 m/sec (about 86 km h) reaches a height of s= 24t - 0.8t² meters in t sec. 1 Find the rock's velocity and acceleration at time t. (The acceleration in this case is the acceleration of gravity on the moon.) 2 How long does it take the rock to reach its highest point? 3 How high does the rock go?

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