please solve this question.....Its very urgent.....please
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Sonu2010:
By F= ma
And at= v
Now
A=v/t
A=20/4= 5
F = ma
F= 5×5
F = 25 N
The force is the frictional force always opposite ... that is the reason "-"
THANKS SO MUCH........
Answers
Answered by
2
F = maa= v-u/t2-t1a= 20-0/4-0a= 20/4a= 5F = 5 x 5F = 25 N
thanks but the answer is -25N..
Answered by
2
heloo dear here is ur answer
hope it helps u...
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