Bring the ans by giving me step by step explanation
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Answered by
1
Answer:
80J
Explanation:
it started from rest ( not mentioned in the question)
m = 10 kg
u = 0
a = 2 m/s^2
t = 2 s
s = ut + 1/2 at^2
s = 4 m ( calculation...)
W = F×S
W = m a S
W = 10 × 2 × 4
W = 80 J
Answered by
1
Explanation:
We know that,F=m×a
then, F =(10×2)=20N
Then, W =F×d
We found the value of F
but cannot find the value of distance.
Yes, if you think it4m then the ans. is 80j
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