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IUT_10-11
HSC - পদার্থ বিজ্ঞান ১ম পত্র
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অধ্যায়-০৪ঃ নিউটনিয়ান বলবিদ্যা
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All Topics
A 1000 kg truck moving at 20 m/s collides with 1500 kg truck which was at rest and both the trucks move together coupling each other. The resultant velocity will be-
A.
12.5 m/s
B.
8 m/s
C.
10 m/s
D.
7.5 m/s
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