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Last week in lab
we made similar plots in Capstone for carts colliding with various
bumpers. The photogate found a speed
of 0.247 m/s for the cart before the collision and a speed of 0.072 m/s after
the collision. |
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1. What is the change of momentum (Dp) for this cart collision? |
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Reading
directly off the plot, the impulse which is equal to the change in momentum
is 0.18
N s or kg m/s |
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2. What is the duration of time during
which the cart was in contact with the bumper? This was the Dt that you found last week |
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Reading
the two times off the graph we get 1.752 s and 1.738 s |
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Subtracting
them gets us Dt |
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à Over à |
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3. What was the mass of the cart? |
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Note
Initial velocity is negative because it is pointing in opposite direction of
final velocity. |
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4. What is the average force exerted
by the bumper on the cart? |
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