A rifle with a weight of 40 N fires a 4.5-g bullet with a speed of 280 m/s. (a) Find the recoil speed of the rifle. 0.308 m/s (b) If a 775-N man holds the rifle firmly against his shoulder, find the recoil speed of the man and rifle. 0.0159 Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry results to at least four-digit accuracy to minimize roundoff error. m/s

A rifle with a weight of 25 N fires a 5.5-g bullet with a speed of 230 m/s. (a) Find the recoil speed of the rifle. m/s (b) If a 650-N man holds the rifle firmly against his shoulder, find the recoil speed of the man and rifle. m/s

Starting with an initial speed of 4.80 m/s at a height of 0.264 m, a 2.16-kg ball swings downward and strikes a 4.93-kg ball that is at rest, as the drawing shows. (a) Using the principle of conservation of mechanical energy, find the speed of the 2.16-kg ball just before impact. (b) Assuming that the collision is elastic, find the velocity (magnitude and direction) of the 2.16-kg ball just after the collision. (c) Assuming that the collision is elastic, find the velocity (magnitude and direction) of the 4.93-kg ball just after the collision. (d) How high does the 2.16-kg ball swing after the collision, ignoring air resistance? (e) How high does the 4.93-kg ball swing after the collision, ignoring air resistance?

A rifle with a weight of 40 N fires a 4.5 g bullet with a speed of 290 m/s. (a) Find the recoil speed of the rifle. m/s(b) If a 725 N man holds the rifle firmly against his shoulder, find the recoil speed of the man and rifle. m/s