Asked by Halley
A 20g rifle bullet traveling 200m/s buries itself in a 3.3kg pendulum hanging on a 3.0m long string, which makes the pendulum swing upward in an arc.
Determine the vertical and horizontal components of the pendulum's maximum displacement.
Determine the vertical and horizontal components of the pendulum's maximum displacement.
Answers
Answered by
bobpursley
conservationof momentum
0.020*200=(3.300+0.020)v solve for v, velocity of the pendulum after impact.
Now conservation of energy
totalmass*g*height=1/2 m v^2
solve for height the pendulum swings.
Then horizontal comes from diagram
Costheta=(3.0-h)/3.0
solve for theta
horiz distance=3.0 Tan Theta
0.020*200=(3.300+0.020)v solve for v, velocity of the pendulum after impact.
Now conservation of energy
totalmass*g*height=1/2 m v^2
solve for height the pendulum swings.
Then horizontal comes from diagram
Costheta=(3.0-h)/3.0
solve for theta
horiz distance=3.0 Tan Theta
Answered by
Anonymous
65
Answered by
oil
oil
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