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OpenStudy (anonymous):
A spring requires a force of 25 N to produce an extension of 2 cm in it. What is the work done in further extending it by 3 cm?
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OpenStudy (anonymous):
F= ke use it to find spring constant(k) .can u?
OpenStudy (anonymous):
???
OpenStudy (anonymous):
25= k*2/100 k=1250 Now, work done =1/2 ke^2 =1/2 * 1250 *(5/100)^2
OpenStudy (anonymous):
does it help?
OpenStudy (anonymous):
yep i got it
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