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A spring of spring constant 5×10^3N/m is stretched initially by 5cm from the unstretched position.

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asked Mar 21, 2018 in Physics by paayal (26,720 points) ● 4 ● 6 ● 54

A spring of spring constant 5×103N/m is stretched initially by 5cm from the unstretched position.Then the work required to stretch it further by another 5cm is
(a) 12.50N-m
(b) 18.75N-m
(c) 25.00N-m
(d) 6.25N-m.

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answered Mar 21, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Mar 24, 2018 by Vikash Kumar
 
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