Find with what speed was shrapnel ejected by the explosion

Reference no: EM13546358

A skyrocket explodes just as it reaches the top of its trajectory at a height 1.31 km above the ground. The shrapnel spreads out as an expanding sphere. The bottom of the sphere just touches the ground when its radius is 500.0 m. With what speed was the shrapnel ejected by the explosion? (Ignore the effects of air resistance)

Reference no: EM13546358

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