An object moves upwards after descending 10m freely from a stationary position m / s2 upwards The ball is used to stop at 1 s. Instead, if a second force is applied to the object, the object will stop at 2 s. What is the ratio of the two balls?
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0 · An object moves upwards after descending 10m freely ... position m / s2 upwards The ball is used to stop at 1 s. ... Instead, if a second force is applied to the object, the ...
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