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A stone is thrown vertically upwards fro...

A stone is thrown vertically upwards from the top of a tower `64m` high according to the law of motion given by `s=48t-16t^(2)`. The greatest height attained by the stone above ground is

A

64 ft

B

100 ft

C

112 ft

D

58 ft

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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  3. The distances moved by a particle in time t seconds is given by s=t^(3...

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  13. A ladder 10 m long leans against a house. When its foot is 6 m from th...

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  14. If y=(log x) - (2)/(x), x=(1)/(2), deltax =10 ^(-8), then delta y ~~…

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  15. If 1^(@) =0.0174^(c), then tan (45^(@) 50')~~…

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  16. If diameter of a sphere is 2 cm with error 0.082 mm, then approximate ...

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  17. If a wire of length l, with error delta l, is bent into an equilatera...

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  18. if radius of a sphere is r with error delta r , and S is its surface ...

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  19. If 1^(@) =0.018^(c), then sin^(2) (45 ^(@) 2')~~…

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