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An astronaut on a distant planet wants to determine its acceleration due to gravity. The astronaut throws a rock straight up wi...Asked by Jen
An astronaut on a distant planet wants to determine its acceleration due to gravity. The astronaut throws a rock straight up with a velocity of 13.5 m/s and measures a time of 21.8 s before the rock returns to his hand. What is the acceleration due to gravity on this planet? (also select the direction)
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Answered by
drwls
The direction of gravity must obviously down. Otherwise, the rock would never come down.
Of the 21.8 seconds, half the time (10.9 s) is spent going up and the other half is coming back down.
To decelerate from 13.5 m/s to 0 speed in 10.9 seconds, the acceleration of gravity must be
13.5 m/s/10.9 s = ____ m/s^2
Of the 21.8 seconds, half the time (10.9 s) is spent going up and the other half is coming back down.
To decelerate from 13.5 m/s to 0 speed in 10.9 seconds, the acceleration of gravity must be
13.5 m/s/10.9 s = ____ m/s^2
Answered by
edi wow
LOLOL NO YOU DON'T
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