a car is running with a velocity of 30 metre per second reaches Midway between two vertical parallel was separated by 360 m , when driver sounds the horn for a moment speed of sound in air is 330 m per second after blowing horn , the 3 echo will be heard by the driver respectively at
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Explanation:
It moves between two points A and B, which subtends an angle 60° at the centre of circle.A particle is moving on a circular path with constant speed v. It moves between two points A and B, which subtends an angle 60∘ at the centre of circle. The magnitude of change in its velocity and change in magnitude of its velocity during motion from A to B are respectively
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