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Fiesta28 [93]
3 years ago
5

A golf ball is hit with an initial velocity of 100 feet per second. The height of the golf ball can be represented by the equati

on h=100t−16t^2, where t is the time in seconds since the ball was hit and h is the height of the ball in feet. How long will it take for the ball to hit the ground?
Mathematics
2 answers:
Sedaia [141]3 years ago
7 0

Answer:

6.30 seconds

Step-by-step explanation:

LenaWriter [7]3 years ago
5 0

Answer:

  • 6.25 seconds

Step-by-step explanation:

<u>Using the the equation </u>

  • h = 100t − 16t^2

<u>The ball hits the ground, when h = 0, solving below equation:</u>

  • 100t − 16t^2 = 0
  • 4t(25 - 4t) = 0
  • t = 0 seconds, this is the starting point when ball was hit
  • 25 - 4t = 0 ⇒ 4t = 25 ⇒ t= 25/4 = 6.25 seconds later the ball hits the ground
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