Physics - Kinematics Question with Solution | TestHub

PhysicsKinematics2-D & 3DEasy2 minQB

PhysicsEasysingle choice

A ball is thrown at different angles with the speed $u$ & from the same point such that it has the same range in both cases. If $h_{1}$ and $h_{2}$ are the maximum heights in the two cases then $h_{1} + h_{2}$ equals to :-

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Answer:

Solution:

$h_{1} + h_{2} = \frac{u ^{2} s i n ^{2} θ}{2 g} + \frac{u ^{2} s i n ^{2} ( 90 -- θ )}{2 g}$

$= \frac{u ^{2}}{2 g} (sin^{2} θ + cos^{2} θ) = \frac{u ^{2}}{2 g}$

Stream:JEESubject:PhysicsTopic:KinematicsSubtopic:2-D & 3D

⏱ 2mℹ️ Source: QB

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