A 4.00-g bullet has a muzzle velocity of 210 m/s when fired by a rifle with a we

Question

A 4.00-g bullet has a muzzle velocity of 210 m/s when fired by a rifle with a weight of 40.0 N. Determine the recoil speed of the rifle. m/s If a marksman with a weight of 775 N holds the rifle firmly against his shoulder, determine the recoil speed of the shooter and rifle. Your approach to part (a) will also work for part (b). The only difference is that the mass of the marksman must now be included, m/s An object with a mass of 8.00 g is moving to the right at 14.0 cm/s when it is overtaken by an object with a mass of 27.0 g moving in the same direction with a speed of 23.0 cm/s. If the collision is elastic, determine the speed of each object after the collision. 27.0-g object cm/s 8.00-g object cm/s

Explanation / Answer

6) b) MV = Mv
(0.004)(210) = (775/9.8) (v)
v = 0.0106 m/s

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