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razzmatazz

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## Homework Statement

A weapon fired a 25.8-kg shell with a muzzle speed of 880 m/s. What averageforce acted on the shell?

## Homework Equations

work energy theorem?

## The Attempt at a Solution

Can someone please explain where the 6.00 comes from?

Starting from rest, the shell acquired a kinetic energy of (1/2)mv2

by a force, F,acting through a distance, d.Fd = (1/2)mv2

F(6.00) = (1/2)(25.8)(880)2

F = 1664960 N = 1.66 MN

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