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JEE PHYSICS MCQ: MOTION IN A STRAIGHT LINE
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Medium
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Analyzing
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Statement-I: SHM is not an example of uniformly accelerated motion.
Statement-II: Non uniform velocity cannot give uniform acceleration
Statement-II: Non uniform velocity cannot give uniform acceleration
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Correct option: C
If Statement - I is true but Statement - II is false.
Option C is correct. SHM is not uniformly accelerated motion because the acceleration varies with displacement, and non-uniform velocity can result in uniform acceleration.
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Reason: Free fall means the vertical acceleration of the body is equal to . A ball is thrown vertically upward with speed 15 m/s and it returns to the ground with speed 10 m/s as a constant air resistance acts. The maximum height attained by the ball is Which of the following is not a derived quantites? Assertion: If a body is dropped from the top of a tower of height and another body is thrown up simultaneously with velocity from the foot of the tower, then both of them would meet after a time .
Reason: For a body projected upwards, the distance covered by the body in the last second of its upward journey is always irrespective of velocity of projection. A particle is having uniform acceleration. If its displacement from to second is and change in velocity is . Find its displacement (in ) in second. An aeroplane flies 400m north and 300m south and then flies 1200m upwards, then net displacement is