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Grade: 9
        
The potential energy of certain spring when stretched through a distance s is 10 joule.The amount of work that must be done on this spring to stretch it through additional distance s will be
one month ago

Answers : (1)

Arun
15885 Points
							
Dear Navya
 
P. E. to stretch through x is = 
 
½ k* x^2 = 10
 
to tretch through additional distance x
 
½ k (4s^2 – s^2 ) = 3/2 * k* s^2 = 3 * 10 = 30 Joules
one month ago
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