Lab #14: Ballistic Pendulum
Dahlia - Ariel - Carlos
12-Oct-2016
The purpose of the lab#14 is to help student know how to determine the firing speed of a ball from a spring-loaded gun.
I. Set up:
The picture below is a spring - loaded gun. The ball which was fired by this gun was provided a initial speed.
Then, I used conservation of momentum to find the initial speed of the ball.
I let the gun fired 3 trials, and I recorded 3 angles after 3 times. Then, I found the uncertainty of the angle.
Thus, I had data:
Then, I used all of my data ( angle, mass of ball, mass of block) to calculate the initial velocity.
Thus,
Part 2:
After having the initial velocity, I could calculate the distance of the ball after it was fired.
III. Conclusion
When I had the height that the ruler rise, the mass of ball and the mass of block in a ballistic pendulum, I could easy to calculate the initial velocity based on the conservation of momentum.
I. Set up:
The picture below is a spring - loaded gun. The ball which was fired by this gun was provided a initial speed.
II. Experiment and analysis
Part 1: There was a ball with mass m undergoes an inelastic collisions with the nylon block, mass M. After the collision happened, the block hit the ruler and made the rule went an certain angle.
I let the gun fired 3 trials, and I recorded 3 angles after 3 times. Then, I found the uncertainty of the angle.
Then, I used all of my data ( angle, mass of ball, mass of block) to calculate the initial velocity.
After having the initial velocity, I could calculate the distance of the ball after it was fired.
When I had the height that the ruler rise, the mass of ball and the mass of block in a ballistic pendulum, I could easy to calculate the initial velocity based on the conservation of momentum.
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