a body intially at rest move with constant acceleration covers a distance of 20m in 4s find out its acceleration
Answers
Answered by
1
Answer:
2.5 m/s²
Explanation:
given,
u = 0
t = 4 s
S = 20 m
In this case , we have to use the 2nd law of motion ie S = ut+1/2at²
since u = ,
S = 1/2at²
20 = 1/2 × a × 4²
20 = 16 a / 2
20 = 8 a
a = 20/8
= 2.5 m/s²
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Answered by
0
Answer:
Explanation:
u is 0
d is 20
t is 4
s=ut=1/2at^2
20 = 0+1/2 a 16
a=2.5
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