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5) Which of the following is a one dimensional motion [BHU
2000; CBSE PMT 2001]
(a) Landing of an aircraft
(b) Earth revolving a
round the sun
(c) Motion of wheels of a moving trains
(d) Train running on a straight track
A ball is dropped downwards. After 1 second another ball is
dropped downwards from the same point. What is the distan
between them after 3 seconds (BHU 1998]
(a) 25 m (b) 20 m (c) 50 m (d) 9.8 m
Answers
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Answer:TRAIN RUNNING ON A STRAIGHT TRACK
Explanation:
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