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A ball is dropped on the floor from a height 10 m . It rebounds to a height of 2.5 m .If the ball is contact with floor for 0.01 sec , then average acceleration during contact is?
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A ball is dropped on the floor from a height 10 m . It rebounds to a h...
If a ball falls through height "h" (or) rises to a height "h" it's velocity is given by √2gh. So,
velocity before collision = √2(10)(10) = 10√2
velocity after collision = √2(10)(2.5) = 5√2
change in momentum = impulse (J)
On fixing the upward direction positive we get impulse as,
J = m(5√2) - m(-10√2) = 15m√2
Now, J = F∆t
⇒15m√2 = (ma)(0.01)
⇒a = 15√2 × 10² m/s²
velocity before collision = √2(10)(10) = 10√2
velocity after collision = √2(10)(2.5) = 5√2
change in momentum = impulse (J)
On fixing the upward direction positive we get impulse as,
J = m(5√2) - m(-10√2) = 15m√2
Now, J = F∆t
⇒15m√2 = (ma)(0.01)
⇒a = 15√2 × 10² m/s²
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A ball is dropped on the floor from a height 10 m . It rebounds to a height of 2.5 m .If the ball is contact with floor for 0.01 sec , then average acceleration during contact is?
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A ball is dropped on the floor from a height 10 m . It rebounds to a height of 2.5 m .If the ball is contact with floor for 0.01 sec , then average acceleration during contact is? 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 A ball is dropped on the floor from a height 10 m . It rebounds to a height of 2.5 m .If the ball is contact with floor for 0.01 sec , then average acceleration during contact is? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A ball is dropped on the floor from a height 10 m . It rebounds to a height of 2.5 m .If the ball is contact with floor for 0.01 sec , then average acceleration during contact is?.
A ball is dropped on the floor from a height 10 m . It rebounds to a height of 2.5 m .If the ball is contact with floor for 0.01 sec , then average acceleration during contact is? 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 A ball is dropped on the floor from a height 10 m . It rebounds to a height of 2.5 m .If the ball is contact with floor for 0.01 sec , then average acceleration during contact is? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A ball is dropped on the floor from a height 10 m . It rebounds to a height of 2.5 m .If the ball is contact with floor for 0.01 sec , then average acceleration during contact is?.
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