Questions
A spring of spring constant 5 × 103 N/m is stretched initially by 5 cm from the unstretched position. Then the work required to stretch it further by 5 cm is
a
12.50 Nm
b
18.75 Nm
c
25.00 Nm
d
6.25 Nm
detailed solution
Correct option is B
and W = Uf - Ui = 18.75 N-mTalk to our academic expert!
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Two springs of spring constants are joined in series. The effective spring constant of the-combination is given by:
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