Projectile 4611

A projectile weighing m1 = 0.01 kg is fired at a velocity v1 = 800 m * s-1 from a rifle weighing m2 = 4kg.

Correct answer:

v2 =  2 m/s

Step-by-step explanation:

m1=0.01 v1=800 m2=4 h1=h2 m1 v1=m2 v2 v2=m1 v1/m2=0.01 800/4=2 m/s

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