Dynamite blast at a quarry launches a rock straight upward

Reference no: EM13679754

A dynamite blast at a quarry launches a rock straight upward, and 1.9 s later it is rising at a rate of 18 m/s. assuming air resistance has no effect on the rock, compute its speed (a) at launch and (b) 4.6 s after launch.

Reference no: EM13679754

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