Trains A and B are running parallel to each other at equal speed. State whether a person in Train A will be in a state of rest or motion with respect to:
a. the another persion in Train A.
b. a persion in Train B.
c. a bridge over which the trains are running
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Answer: (a) rest
(b) rest
(c) motion
Explanation: (a) another person in train A would see that person sitting so he will be at rest according to him
(b) because both of the trains are moving parallel to each other the person who is sitting in train will se him as sitting without motion so he will be at rest according to him
(c) a bridge over which the trains are running according to them the person will be at motion because bridge is in rest
Hope it will help you!!!
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