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JEE PHYSICS MCQ: MOTION IN PLANE
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Analyzing
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A person sitting in the rear end of the compartment throws a ball towards the front end. The ball follows a parabolic path. The train is moving with velocity of . A person standing outside on the ground also observes the ball. How will the maximum heights attained and the ranges seen by the thrower and the outside observer compare with each other?
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Correct option: A
Same different
Option A (Same different ) is correct because the vertical component of velocity is the same for both observers, but the horizontal component differs due to the train's motion.
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Reason: For two-dimensional or three-dimensional motion, velocity and acceleration of an object works in opposite direction. and
. Then, the angle between and is At the top of the trajectory of a projectile, the direction of its velocity and acceleration are A ball is thrown at an angle and another ball is thrown at an angle with the horizontal direction from the same point with velocity . The second ball reaches higher than the first ball. Find their individual heights. Take . Assertion: The drover in a vehicle moving with a constant speed on a straight road is in a non-inertial frame of reference.
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