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(Solved): A mortar fires a shell of mass \( m \) at speed \( v_{0} \). The shell explodes at the top of its t ...




A mortar fires a shell of mass \( m \) at speed \( v_{0} \). The shell explodes at the top of its trajectory (shown by a star
Figure
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Find the distance \( d \) from the mortar at which the larger piece of the shell lands. Express \( d \) in terms of \( r \).
A mortar fires a shell of mass \( m \) at speed \( v_{0} \). The shell explodes at the top of its trajectory (shown by a star in (Figure 1)) as designed. However, rather than creating a shower of colored flares, it breaks into just two pieces, a smaller piece of mass \( \frac{1}{5} m \) and a larger piece of mass \( \frac{4}{5} m \). Both pieces land at exactly the same time. The smaller piece lands perilously close to the mortar (at a distance of zero from the mortar). The larger piece lands a distance \( d \) from the mortar. If there had been no explosion, the shell would have landed a distance \( r \) from the mortar. Assume that air resistance and the mass of the shell's explosive charge are negligible. Figure 1 of 1 Find the distance \( d \) from the mortar at which the larger piece of the shell lands. Express \( d \) in terms of \( r \).


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The momentum of the smaller mass just before landing is, P1=m1v1
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