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Two billiard balls undergo a head-on collision. Ball 1 is twice as heavy as ball 2. Initially, ball 1 moves with a speed v towards ball 2 which is at rest. Immediately after the collision, ball 1 travels at a speed of v/ 3 in the same direction. What type of collision has occured ?
  • a)
    inelastic
  • b)
    elastic
  • c)
    completely inelastic
  • d)
    Cannot be determined from the information given
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Two billiard balls undergo a head-on collision. Ball 1 is twice as hea...
First solve the equation of conservation of momentum which gives us that the relative velocity of approach is equal to the relative velocity of separation. Hence coefficient of restitution is 1. That means the collision is elastic.
mv2 + 2mv3 = 2mv + m0
  • v2 = 4v3
  • e = 4v3 − v3v – 0
  • e = 1
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Most Upvoted Answer
Two billiard balls undergo a head-on collision. Ball 1 is twice as hea...
First solve th equ^ of conservation of momentum give us that the relative velocity of approach is equal to the relative velocity of separation. Hence coefficient of restitution is 1....that's means collision is elastic....

mv2+2mv3=2mv+m0
==>v2=4v3
e=4v3−v3v−0=1
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Community Answer
Two billiard balls undergo a head-on collision. Ball 1 is twice as hea...
First solve the equation of conservation of momentum which gives us that the relative velocity of approach is equal to the relative velocity of separation. Hence coefficient of restitution is 1. That means the collision is elastic.
mv2 + 2mv3 = 2mv + m0
  • v2 = 4v3
  • e = 4v3 − v3v – 0
  • e = 1
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Two billiard balls undergo a head-on collision. Ball 1 is twice as heavy as ball 2. Initially, ball 1 moves with a speed v towards ball 2 which is at rest. Immediately after the collision, ball 1 travels at a speed of v/ 3 in the same direction. What type of collision has occured ?a)inelasticb)elasticc)completely inelasticd)Cannot be determined from the information givenCorrect answer is option 'B'. Can you explain this answer?
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Two billiard balls undergo a head-on collision. Ball 1 is twice as heavy as ball 2. Initially, ball 1 moves with a speed v towards ball 2 which is at rest. Immediately after the collision, ball 1 travels at a speed of v/ 3 in the same direction. What type of collision has occured ?a)inelasticb)elasticc)completely inelasticd)Cannot be determined from the information givenCorrect answer is option 'B'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Two billiard balls undergo a head-on collision. Ball 1 is twice as heavy as ball 2. Initially, ball 1 moves with a speed v towards ball 2 which is at rest. Immediately after the collision, ball 1 travels at a speed of v/ 3 in the same direction. What type of collision has occured ?a)inelasticb)elasticc)completely inelasticd)Cannot be determined from the information givenCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two billiard balls undergo a head-on collision. Ball 1 is twice as heavy as ball 2. Initially, ball 1 moves with a speed v towards ball 2 which is at rest. Immediately after the collision, ball 1 travels at a speed of v/ 3 in the same direction. What type of collision has occured ?a)inelasticb)elasticc)completely inelasticd)Cannot be determined from the information givenCorrect answer is option 'B'. Can you explain this answer?.
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