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Science question easy please help?
A body with an initial velocity of 8m/s moves with a constant acceleration and travels 640m in 40 seconds, find its acceleration.
If you could explain it to me i'd appreciate it, i'm so lost
1 Answer
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- KarlLv 68 years agoFavorite Answer
s = s(0) + v(0)t + 1/2 at^2
s(0) = 0
v(0) = 8 m/s
s = 8*40 + 1/2 at^2
640 = 320 + 1/2 * a * 1600
Subtract 320 from both sides and combine terms:
320 = 800a
a = 0.4 m/s^2
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