Question

Position-time(x-t) graph of a particle moving along x-axis is as shown in the figure. The average speed of particle in time interval t=0 to t=10 s is
$1. \: 2ms {}^{ - 1}$
$2. \: \frac{4}{5}ms {}^{ - 1}$
$3. \: 1ms {}^{ - 1}$
$4. \: \frac{5}{4} ms {}^{ - 1}$


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Answer 1

refer to the above picture

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