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A particle is projected vertically upwar...

A particle is projected vertically upwards .Its height H at a time t has the relation `h =(60)t-(16)t^(2)`. Velocity with which it hits the grounf is

A

30 units

B

60 units

C

90 units

D

180 units

Text Solution

Verified by Experts

The correct Answer is:
B
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MARVEL PUBLICATION-APLICATIONS OF DERIVATIVES-MULTIPLE CHOICE QUESTIONS (TEST YOUR GRASP - II : CHAPTER 12)
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