Question: 3problem21 (1 point) A rock thrown vertically upward from the surface of the moon at a velocity of 27 meters per second reaches a height

 3problem21 (1 point) A rock thrown vertically upward from the surface

3problem21

of the moon at a velocity of 27 meters per second reaches

(1 point) A rock thrown vertically upward from the surface of the moon at a velocity of 27 meters per second reaches a height of s = 27t - 0.812 meters in t seconds. Find the rock's velocity and acceleration at time . (The acceleration in this case is the acceleration of gravity on the moon.) Velocity at time t is meters per second Acceleration at time t is meters per second-squared How long does it take the rock to teach its highest point? Rock reaches its highest point after seconds How high does the rock go? Rock reaches a height of meters When is the rock at half its maximum height? Rock is at half its maximum height after seconds How long is the rock aloft? Rock is aloft for seconds

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