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IUT_14-15
HSC - পদার্থ বিজ্ঞান ১ম পত্র
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অধ্যায়-০৩ঃ গতিবিদ্যা
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A marble with speed
20
c
m
s
−
1
20 cms^{-1}
20
c
m
s
−
1
rolls off the edge of a table 80cm high. How far, horizontally, from the tabel edge does the marble strike the floor?
A.
6.5cm
B.
7.0cm
C.
8.0cm
D.
8.5cm
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