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Question

h=16t2+vt+k
The equation above gives the height h, in feet, of a ball t seconds after it is thrown straight up with an initial speed of v feet per second from a height of k feet. Which of the following gives v in terms of h,t and k?

A
v=h+k16t
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B
v=hk+16t
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C
v=h+kt16t
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D
v=hkt+16t
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Solution

The correct option is C v=hkt+16t
Given, h=16t2+vt+k
h+16t2k=vt
v=h+16t2kt
v=hkt+16t

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