A displacement time graph for two particle A and B are straight lines inclined at angles of 30°and60° with the te axis. The ratio of velocities vA:vB is ________.
a)1:2 b)1:√3
c)√3:1 d)1:3
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Answer:
1:3
Explanation:
As velocity v= dt dx =slope of x−t graph.
so V A :V B
=slope A :slope B
=tan30 0 :tan60 0 =1 : 3
=1:3
Hope it helps you.....
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