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A motor cycle starts from rest and accelerates along a straight path at 2 m/s(2). At the starting point of the motor cycle there is a stationary electric siren. How far has the motor cycle gone when the driver hears the frequency of the siren at 94% of its value when the motor cycle was at rest ? (Speed of sound = 330 m/s) ?

A motor cycle starts from rest and accelerates along a straight path at 2 m/s(2). At the starting point of the motor cycle there is a stationary electric siren. How far has the motor cycle gone when the driver hears the frequency of the siren at 94% of its value when the motor cycle was at rest ? (Speed of sound = 330 m/s) ?

Grade:11

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
3 years ago
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Vikas TU
14149 Points
3 years ago
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Dear student 
Please refer the clear image , 
The image above does not looks good , it is blurr.
Hope for the best 
Good Luck 
Cheers 

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