Question

A block of mass 10 kg moving in x direction with
a constant speed of 10 ms-1, is subjected to a
retarding force F = 0.1x J/m during its travel from
x = 20 m to 30 m. Its final KE will be



iska answer 475 hai kese​

Answer 1

Answer:475 J

Explanation:

Work done will be taken as -ve.

As displacemenylt and force are opposite to each other.

Also ΔK.E = W

Its initial K.E is 500 J (by formula)

Taking all this i have solved it and the solution is in attachement