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NEET 1988 (AIPMT) · Equations of Kinematics

Equations of Kinematics question from NEET 1988 (AIPMT)

Q46NEET 1988 · AIPMTEasy

Equations of Kinematics

A car is moving along a straight road with a uniform acceleration. It passes through two points $P$ and $Q$ separated by a distance with velocity 30 km/h and 40 km/h respectively. The velocity of the car midway between $P$ and $Q$ is

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Answer: (c)

Midpoint velocity: $v_m = \sqrt{\frac{v_P^2 + v_Q^2}{2}}$
$v_m = \sqrt{\frac{30^2 + 40^2}{2}} = \sqrt{1250}$
$v_m = 25\sqrt{2}\text{ km/h}$ . So the answer is (c).

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