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Grade: 11
        
Please do answer my question as soon as possible. It's urgent!
one year ago

Answers : (1)

Khimraj
3008 Points
							
apply work energy theorem
kinetic energy = work done by friction + work done by spring
½*m*v2 = umg*x + ½*k*x2
½*2*42 = x*2*10*x + ½*10*x2
16 = 25*x2
so x = 4/5 m
Hope it clears.
one year ago
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