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blackstreet23

  • one year ago

A bullet is fired through a board, 14 cm thick, with its line of motion perpendicular to the face of the board. If it enters with a speed of 450 m/s and emerges with a speed of 220 m/s, what is the acceleration (assume that it is constant) as it passes through the board

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  1. blackstreet23
    • one year ago
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    @Shalante @freckles @PlasmaFuzer @pooja195 @aaronq @SithsAndGiggles @IrishBoy123 @Hero

  2. IrishBoy123
    • one year ago
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    use equation of motion:\[v^2 = u^2 + 2ax\] you have v,u and x, so calculate a

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