A spring of spring constant 5 x 103 N/m is etched initially by 5 cm from the unstretched position the work required to stretch it further by another 5 cm is
18.75N−m
25.00N−m
6.25N−m
12.50N−m
A
25.00N−m
B
12.50N−m
C
18.75N−m
D
6.25N−m
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Solution
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Work done is change in potential energy
The spring is initially stretch to 5 cm and again further stretched by 5 cm and
A spring of spring constant 5 x 103 N/m is etched initially by 5 cm from the unstretched position the work required to stretch it further by another 5 cm is
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Q2
A spring of spring constant 5×103 N/m is stretched initially by 5 cm from the unstretched position. The work required to further stretch the spring by another 5 cm is:
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Q3
A spring of spring constant 5 ×103N/m is stretched initially by 5 cm from the unstretched position. Then the work required to stretch it further by another 5 cm is:
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Q4
A spring of spring constant 5×103Nm is stretched initially by 5cm from the unstretched position. The work required to further stretch the spring by another 5cm is
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Q5
A spring of constant 5×103N/m is stretched initially by 5 cm from the unstretched position. Then the work required to stretch it further by another 5 cm is: