College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Question

I need help finding the velocity of this.

How far each ball traveled:

1. 238.5875 cm

2. 238.9875 cm

3. 239.1875 cm

4. 238.7875 cm

5. 233.8875 cm

6.  239.7875 cm

Average: 238.204 cm

Height of ball from floor: 32 Inches

Part A Measure the velocity of the ball by shooting it horizontally (Vo-Vox, Vo,=0). 1. Select an initial velocity of the projectile by setting the latch mechanism on the ballistic gun to medium. Once selected, this setting should not be changed throughout the rest of the experiment. 2. Set the gun horizontally so that the angle of projection is 0°. 3. Pull the spring back and place the ball on the gun. 4. Clear an area for 3 or 4 m in front of the gun and fire the ball when it is safe to do so. 5. Observe the approximate location where the ball lands and tape several sheets of paper on the floor in this area. 6. Reload the gun and fire it again. 7. Make a small circle around the dent or mark that the ball makes where it strikes the paper when landing. 8. Measure the distance along the floor from a point directly under the release point of the gun to the point where the ball landed and record it in the data sheet as the horizontal distance, x. 9. Repeat steps 6 through 9 five more times, keeping the angle of projection at 0°. Calculate the average value of x and record it on the data sheet. 10. Measure the distance from the ball to the floor when the ball is at the release point of the ballistic gun. Record this distance as the height, h. 11. It is important that this initial velocity remain constant for the next part of the experiment, so do not change the latch setting on the gun. 12. You should now be able to compute the velocity based on range of travel, and time in the air (time is derived by knowing that Voy=0, as in gravity experiment).
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Transcribed Image Text:Part A Measure the velocity of the ball by shooting it horizontally (Vo-Vox, Vo,=0). 1. Select an initial velocity of the projectile by setting the latch mechanism on the ballistic gun to medium. Once selected, this setting should not be changed throughout the rest of the experiment. 2. Set the gun horizontally so that the angle of projection is 0°. 3. Pull the spring back and place the ball on the gun. 4. Clear an area for 3 or 4 m in front of the gun and fire the ball when it is safe to do so. 5. Observe the approximate location where the ball lands and tape several sheets of paper on the floor in this area. 6. Reload the gun and fire it again. 7. Make a small circle around the dent or mark that the ball makes where it strikes the paper when landing. 8. Measure the distance along the floor from a point directly under the release point of the gun to the point where the ball landed and record it in the data sheet as the horizontal distance, x. 9. Repeat steps 6 through 9 five more times, keeping the angle of projection at 0°. Calculate the average value of x and record it on the data sheet. 10. Measure the distance from the ball to the floor when the ball is at the release point of the ballistic gun. Record this distance as the height, h. 11. It is important that this initial velocity remain constant for the next part of the experiment, so do not change the latch setting on the gun. 12. You should now be able to compute the velocity based on range of travel, and time in the air (time is derived by knowing that Voy=0, as in gravity experiment).
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