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. A body moving with a velocity of 20 m/s begins to accelerate at 3 m/s2. How far does the body move in 5 seconds? A. 260 m B. 196 m C. 162.5 m D. 137.5 m
A body moving with a velocity of 20 m/s begins to accelerate at 3 m/s2. the body moves 137.5 meters in 5 seconds. Solution: s = ut + 1/2 at^2; s = 20 m/s (5 sec) + (1/2) (3 m/s^2) (5 sec)^2 s =100 m + (1.5 m/s^2) (25 s^2) s = 100 m + 37.5 m s = 137.5 meters. (answer)
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Asked 4/8/2019 8:11:08 AM
Updated 235 days ago|5/31/2020 11:50:33 AM
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A body moving with a velocity of 20 m/s begins to accelerate at 3 m/s2. the body moves 137.5 meters in 5 seconds.
Solution:
s = ut + 1/2 at^2; s = 20 m/s (5 sec) + (1/2) (3 m/s^2) (5 sec)^2
s =100 m + (1.5 m/s^2) (25 s^2)
s = 100 m + 37.5 m
s = 137.5 meters. (answer)
Added 235 days ago|5/31/2020 11:50:33 AM
This answer has been confirmed as correct and helpful.
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