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A Dynamite Blast At A Quarry Launches A Rock Straight Upward And 2 0

A Dynamite Blast At A Quarry Launches A Rock Straight Upward And 2 0

0 a dynamite blast at a quarry launches a chunk of rock straight upward and 24 s later it is rising at a speed of 20 ms assuming air resistance has no effect on the rock calculate its speed at a at launch and b 42 s after the launch at lunch ms at 42 s after launch ms edit added wed 26.

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