can someone plz solve in copy and send me pic?
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Answered by
1
Answer:
it will take 5 sec to reach Ground
Explanation:
Using the Formula
S = ut + (1/2)at²
Height = 65 m
=> S = 65
U = -12 m/s (-ve sign as going upward)
g = 10 m/s²
65 = -12t + (1/2)(10)t²
=> 65 = -12t + 5t²
=> 5t² - 12t - 65 = 0
=> 5t² - 25t + 13t - 65 = 0
=> 5t(t - 5) + 13(t - 5) = 0
=> (5t + 13) (t-5) = 0
=> t = 5
5 Sec
it will take 5 sec to reach Ground
Answered by
1
Answer:
don't know
why the hell are u here
u blockheads
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