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Question

# Assertion :Maximum possible height attained by a projectile is u22g, where u is initial velocity Reason: To attain maximum height, a particle is thrown vertically upwards at θ=90o to the ground.H=u22gsin2θ⇒Hmax=u22g

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution

## The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for AssertionFor a projectile motion, when a body is thrown in a angle θ with the horizontal with velocity u, the body attains maximum height H=u2sin2θ2gWhen the body is thrown vertically, θ=90oSo, maximum height H=u2sin90o2g=u22g

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