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IUT_17-18
HSC - পদার্থ বিজ্ঞান ১ম পত্র
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অধ্যায়-০৫ঃ কাজ, শক্তি ও ক্ষমতা
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In a spring balance, the length of the spring is 20 cm which can read from 0 to 60 N. Find the potential energy of the spring when it reads 40 N.
A.
0.267 J
B.
26.7 J
C.
2.67 J
D.
267 J
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