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A stone is project vertically upward from the top of a tower of height 60 m. The stone moves according to the law `S=(10)t-5t^(2)`, where S is in meters and t in second The maximum height , reached by the stone , from the ground , is

A

60 m

B

55 m

C

65 m

D

50 m

Text Solution

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