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The equation of trajectory of a projectile is given as y=2xx22. The maximum height of projectile is (Symbols have usual meanings and SI unit)

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a
4 m
b
1 m
c
2 m
d
10 m

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detailed solution

Correct option is C

y=2x−xh2 dydx=0⇒ dydx=2−2x2=0When y=hmax                  b ⇒x=2m∴hmax=2×2−2×22             =2m


Similar Questions

Assertion : When the velocity of projection of a body is made n times, its time of flight becomes n times.

Reason : Range of projectile does not depend on the initial velocity of a body.


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