Position-time graph is given find average speed in time \( t=0 \) and \( t=15 \mathrm{sec} \) is...
Position-time graph is given find average speed in time \( t=0 \) and \( t=15 \mathrm{sec} \) is :-
\( \mathrm{P} \)
W
(1) \( 5 \mathrm{~m} / \mathrm{s} \)
(2) \( \frac{5}{3} \mathrm{~m} / \mathrm{s} \)
(3) \( 2 \mathrm{~m} / \mathrm{s} \)
(4) \( \frac{2}{3} \mathrm{~m} / \mathrm{s} \)
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