The displacement-time graphs of two moving particles make angles of 30 ° and 45 ° with the x -axis as shown in the figure. The ratio of their respective velocity is:

Question

The displacement-time graphs of two moving particles make angles of 30 ° and 45 ° with the x -axis as shown in the figure. The ratio of their respective velocity is:, 1 : 1, 1 : 2, 1 : 3, 3 : 1

MARKS App · Accepted Answer

Slope of displacement-time graph is velocity. v 1 v 2 = tan θ 1 tan θ 2 = tan 30 ° tan 45 ° = 1 3 ⇒ v 1 : v 2 = 1 : 3

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