1. The ballistic pendulum is a simple device to measure projectile velocity v by observing the maximum angle 9 to which the box of sand with embedded projectile swings. Calculate the angle 8 if the 60 g. projectile is fired horizontally in to the suspended 20 kg box of sand with a velocity of 600 m/s. Also, calculate the percent energy lost during impact. Answer: (a) 0 = 20.7° (b) energy lost during impact = 99.8%
1. The ballistic pendulum is a simple device to measure projectile velocity v by observing the maximum angle 9 to which the box of sand with embedded projectile swings. Calculate the angle 8 if the 60 g. projectile is fired horizontally in to the suspended 20 kg box of sand with a velocity of 600 m/s. Also, calculate the percent energy lost during impact. Answer: (a) 0 = 20.7° (b) energy lost during impact = 99.8%
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![1. The ballistic pendulum is a simple device to measure projectile velocity v by observing the
maximum angle 8 to which the box of sand with embedded projectile swings. Calculate
the angle 8 if the 60 g. projectile is fired horizontally in to the suspended 20 kg box of
sand with a velocity of 600 m/s. Also, calculate the percent energy lost during impact.
Answer: (a) 8 = 20.7° (b) energy lost during impact = 99.8%
Solution
2m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5610603c-d46e-43d4-bbc7-880e7d9cb19a%2F864e6125-8205-4982-9d50-0e23550466ef%2F0yfsuti_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. The ballistic pendulum is a simple device to measure projectile velocity v by observing the
maximum angle 8 to which the box of sand with embedded projectile swings. Calculate
the angle 8 if the 60 g. projectile is fired horizontally in to the suspended 20 kg box of
sand with a velocity of 600 m/s. Also, calculate the percent energy lost during impact.
Answer: (a) 8 = 20.7° (b) energy lost during impact = 99.8%
Solution
2m
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Follow-up Questions
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Follow-up Question
This is the velocity of system at bottom.
Let the height gained by system be ℎ.
Hence,
M+mgh=1/2M+mv2 ..........(how you get this equaltion)
l=2m (why is l is 2 m not h which is height)
h=l*2*cos degree ( where this equaltion from)
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