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A car of mass 1000 kg travelling at 32 ms-1 dashes into the rear of a truck of mass 8000 kg moving in the same direction with a velocity of 4 ms-1. After the collision, the car bounces back with a velocity of 8 ms-1. What is the velocity of the truck after the impact?
- a)9 ms-1
- b)4 ms-1
- c)3 ms-1
- d)12 ms-1
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
A car of mass 1000 kg travelling at 32 ms-1dashes into the rear of a t...
for the car,
mcar = 1000 kg, ucar = 32 ms-1, vcar = -8 ms-1
for truck,
mtruck = 8000 kg, utruck = 4 ms-1, vtruck = ?
By conservation of linear momentum,
mcar.ucar + mtruck.utruck = mcar vcar + mtruck.vtruck
⇒ 1000 × 32 + 8000 × 4 = 1000 × (-8) + 8000 × vtruck
⇒ vtruck = 9 ms-1
Most Upvoted Answer
A car of mass 1000 kg travelling at 32 ms-1dashes into the rear of a t...
for the car,
mcar = 1000 kg, ucar = 32 ms-1, vcar = -8 ms-1
for truck,
mtruck = 8000 kg, utruck = 4 ms-1, vtruck = ?
By conservation of linear momentum,
mcar.ucar + mtruck.utruck = mcar vcar + mtruck.vtruck
⇒ 1000 × 32 + 8000 × 4 = 1000 × (-8) + 8000 × vtruck
⇒ vtruck = 9 ms-1
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Community Answer
A car of mass 1000 kg travelling at 32 ms-1dashes into the rear of a t...
for the car,
mcar = 1000 kg, ucar = 32 ms-1, vcar = -8 ms-1
for truck,
mtruck = 8000 kg, utruck = 4 ms-1, vtruck = ?
By conservation of linear momentum,
mcar.ucar + mtruck.utruck = mcar vcar + mtruck.vtruck
⇒ 1000 × 32 + 8000 × 4 = 1000 × (-8) + 8000 × vtruck
⇒ vtruck = 9 ms-1
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A car of mass 1000 kg travelling at 32 ms-1dashes into the rear of a truck of mass 8000 kg moving in the same direction with a velocity of 4 ms-1. After the collision, the car bounces back with a velocity of 8 ms-1. What is the velocity of the truck after the impact?a)9 ms-1b)4 ms-1c)3 ms-1d)12 ms-1Correct answer is option 'A'. Can you explain this answer?
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A car of mass 1000 kg travelling at 32 ms-1dashes into the rear of a truck of mass 8000 kg moving in the same direction with a velocity of 4 ms-1. After the collision, the car bounces back with a velocity of 8 ms-1. What is the velocity of the truck after the impact?a)9 ms-1b)4 ms-1c)3 ms-1d)12 ms-1Correct answer is option 'A'. Can you explain this answer? for Defence 2024 is part of Defence preparation. The Question and answers have been prepared according to the Defence exam syllabus. Information about A car of mass 1000 kg travelling at 32 ms-1dashes into the rear of a truck of mass 8000 kg moving in the same direction with a velocity of 4 ms-1. After the collision, the car bounces back with a velocity of 8 ms-1. What is the velocity of the truck after the impact?a)9 ms-1b)4 ms-1c)3 ms-1d)12 ms-1Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Defence 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A car of mass 1000 kg travelling at 32 ms-1dashes into the rear of a truck of mass 8000 kg moving in the same direction with a velocity of 4 ms-1. After the collision, the car bounces back with a velocity of 8 ms-1. What is the velocity of the truck after the impact?a)9 ms-1b)4 ms-1c)3 ms-1d)12 ms-1Correct answer is option 'A'. Can you explain this answer?.
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Solutions for A car of mass 1000 kg travelling at 32 ms-1dashes into the rear of a truck of mass 8000 kg moving in the same direction with a velocity of 4 ms-1. After the collision, the car bounces back with a velocity of 8 ms-1. What is the velocity of the truck after the impact?a)9 ms-1b)4 ms-1c)3 ms-1d)12 ms-1Correct answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Defence.
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ample number of questions to practice A car of mass 1000 kg travelling at 32 ms-1dashes into the rear of a truck of mass 8000 kg moving in the same direction with a velocity of 4 ms-1. After the collision, the car bounces back with a velocity of 8 ms-1. What is the velocity of the truck after the impact?a)9 ms-1b)4 ms-1c)3 ms-1d)12 ms-1Correct answer is option 'A'. Can you explain this answer? tests, examples and also practice Defence tests.
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