Question

A bullet of mass m = 51 grams, traveling with a velocity v upwards, strikes the...

A bullet of mass m = 51 grams, traveling with a velocity v upwards, strikes the bottom of a ball of mass M = 5.6 kg which is resting in a hole in a table. After the collision, the ball, with the bullet embedded in it, rises up and returns to the table after 0.57 seconds. How fast was the bullet moving as it struck the ball?

Homework Answers

Answer #1

Derivation of time of flight:

For the following situation   = 90o

tf = 2u/g [Using this equation in the problem,

Given tf = 0.57

u = 0.57*9.81/2 = 2.8 m/s .

This is the velocity of both ball and bullet together = 2.8 m/s [your answer]

The bullets original velocity is = 310 m/s

I hope you understood the problem and got your answers, If yes rate me!! or else comment for a better solutions.

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