Question
a body is thrown vertically upward return to the earth in 3sec.
(a)what was the initial velocity of the body
(b)what height did the body reach?
neglect the resistance of air.
(a)what was the initial velocity of the body
(b)what height did the body reach?
neglect the resistance of air.
Answers
bobpursley
a. hf=ho+vi*t-4.8t^2
hf,ho are zero, solve for vi
b. same equation,t=1.5
hf,ho are zero, solve for vi
b. same equation,t=1.5
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