# Missile Launch

Pro Problems > Physics > Motion and Forces > Linear Motion > Force## Missile Launch

A 5.0 kg missle is projected from rest to a speed of 4.5 x 10^{3} m/s. How much time is required to do this by a net force of 5.3 x 10^{5} N?

## Solution

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_{1}/m_{2}. - Find the acceleration of the combined mass ( m
_{1}+ m_{2}) under the action of the force, F.

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