3 years ago

(8422 A) B B) 9 D) 816 8

Mathematics

1 answer:

Cerrena [4.2K]3 years ago

5 0

Answer:

8422

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

The height of the ball at any time t is given by :

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We need to find the maximum height of the ball.

For maximum height, put $\dfrac{dh}{dt}=0$

i.e.

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Put t = 1.25 in equation (1) to find the maximum height.

So,

$h(t)= -16(1.25)^2 + 40(1.25) + 1.5\\\\=26.5\ units$

So, the maximum height reached by the ball is 26.5 units.

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