Two particles A and B start from the origių
and travel in opposite directions along the circular
path of radius 5.0 m at constant speed of0.7 m/
s and 1.5 m/s respectively. Determine the time
when they collide and the magnitude of the
acceleration of B just before this happens.
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Answer:
14.3 sec
Explanation:
Total Distance Covered = 2πR
= 2 * (22/7) * 5
= 220/7 m
Speed of A = 0.7 m/s
Speed of B = 1.5 m/s
Total Speed = 0.7 + 1.5 = 2.2 m/s
Speed = Distance / Time
=> Time = Distance/Speed
Time = (220/7)/(2.2)
=> Time = 100/7 sec
=> Time = 14.3 sec
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