A soccer ball is kicked from ground level with an initial velocity of 90 feet per second. The equation #h=-16t^2+90t# gives the height h of the ball after t seconds. What is the height after 1 second?

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Answer 1 · 2016-07-11T16:52:11

#74 feet.#

To find the height of the ball after #1# second, we have to just put #t=1# in the eqn. of height #h# after t seconds.

Hence, the Reqd. Height #=-16+90=74feet.