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Classical mechanics problems

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15. A ball of mass 0.5 kg, initially at rest, acquires a speed of 4 m/s immediately after being kicked by a force of strength 20N...

16. A wooden block of mass M is moving at speed V in a straight line. How fast would the bullet...

17. In this equation that describes an interaction of two masses...

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15. F = ma so a =F/m =20/0.5= 40 (m/s2)
a=(v2-v1)/t=v2/t hence t ...

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