1.

1 +3 Work done for a certain spring when stretched through 1 m is 10 joule. The amountbe done on the spring to stretch it further by 1 mm is(a) 30 J(b) 40J() 10 J(d) 20J11.11.17

Answer»

c) is correct answer

a) 30 j is the right answer

D) 20 j is the correct answer

(c) is right answer like my answer



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