allery200 m धांवपाच्या सर्तींत A हाणें B क 20 m न फाटीं टाकलें. A चो वेग 10 m/s आसा. B चो वेग कितलो?
A8 m/s
B9 m/s
C8.5 m/s
D9.5 m/s
Answer & Solution
Correct answer: B. 9 m/s
हें .
A 20 सेकंदांत सोंपता, ह्या वेळार B 180 m व्यापून 9 m/s दिता.
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