A ball moving with a momentum of \( 5 \mathrm{~kg} \mathrm{~ms}^{-1} \) strikes against a wall a...

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A ball moving with a momentum of \( 5 \mathrm{~kg} \mathrm{~ms}^{-1} \) strikes against a wall at an angle of \( 45^{\circ} \) and is reflected at the same angle. Calculate the impulse.
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