sarah_hendrix7
Please help?
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sarah_hendrix7
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cwrw238
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oops - i got that wrong
height above ground = ut + 0.5gt^2 + 2
u = 100 g = -9.8 ( acceleration due to gravity) and t = time
so we have
h = 100t -4.9t^2 + 2
cwrw238
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to find height after 2 second plug in t = 2 in the above equation
cwrw238
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part c
height is on the ground so = zero
so 0 = 100t - 4.9t^2
solve for t
sarah_hendrix7
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Thanks so much!
cwrw238
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yw