wgriffin17 asked: (a) How long does it take for a golf ball to fall from rest for a distance of 11.8 m? (b) How far would the ball fall in twice that time?
Jerry
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on Thursday, August 14th, 2008 at 8:03 am and is filed under golf balls.
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August 16th, 2008 at 6:31 am
The time that you are trying to find.
August 19th, 2008 at 2:43 pm
The negative means downward.
August 19th, 2008 at 8:25 pm
Write down this equation
a)
d=(1/2)at^2
11.8=(1/2)(9.8)t^2
2.4=t^2
1.55s=t
b)
d=(1/2)at^2
d=(1/2)(9.8)(2*1.55)^2
d=47.1m