Answer:
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Explanation:
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Answer:4-strikes the plane at same time as the other body
Explanation:
Given
If both bodies is falling on a horizontal plane and second body is given an acceleration in horizontal direction then it does not change the time to reach the Horizontal Plate as there is no change in vertical direction.
Horizontal acceleration will give only horizontal range and horizontal velocity.
The least count is the smallest unit of measurement which an instrument can take accurately
The answer is <span>D) As a sound source moves away from a stationary object, the sound waves are compressed, increasing the pitch. This statement does not explain the concept of Doppler Effect. </span><span>Due to the Doppler effect, the pitch decreases as the sound moves away from you.</span>