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IUT_21-22
HSC - পদার্থ বিজ্ঞান ১ম পত্র
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অধ্যায়-০৪ঃ নিউটনিয়ান বলবিদ্যা
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All Topics
A body is allowed to fall freely from a height of 30 m. From the ground, where will its kinetic energy be twice the potential energy?
A.
15
m
15 m
15
m
B.
12
m
12m
12
m
C.
8
m
8m
8
m
D.
10
m
10m
10
m
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