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

Jan 22 2011 · A dynamite blast at a quarry launches a rock straight upward and 20 s later it is rising at a rate of 16 ms Assuming air resistance has no effect on the rock calculate its speed a at launch... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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