A boy runs away from a …
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A boy runs away from a pole in a straight line so
that its velocity is inversely proportional to the
distance from the pole. When boy is at a point A at
a distance x1 = 100 m from the pole, its velocity is
v1 = 2 m/s. What time will boy take to run away
from point A to point B which is at a distance
x2 = 200 m from the pole?
(1) 50 s (2) 60 s
(3) 75 s (4) 90 s
Posted by Margubur Rahman 7 years, 10 months ago
- 0 answers
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