Initial velocity =7 time=4 s=ut+1/2at2(m)=92 acceleration =?
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Answer:
s= u t + 1/2 a t^2
s is displacement.
u is initial velocity.
t is time.
a is acceleration.
Other than seconds, no units are mentioned in the question.
92= 7*4 + 1/2* a * 4^2
92= 28 + 8 a
64= 8 a
a = 8 units/s^2
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