Question

an object travels 16 m in 4 s and than another 16 m in 2 s what is the average speed of the object


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Answer 1

Answer.

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Answer 2

$\bf \pink{ \underline{solution}}$

The speed of a body is not usually constant . Therefore, the rate of motion is described in terms of average speed .The average speed can be calculated by the formula

$\green{\boxed{av.\;speed=\frac{total\;distance}{total\;time\;taken}}}$

Total distance covered = 16m +16m = 32 m

Total Time taken = 4 sec + 2 sec = 6 sec

$average \: speed =\frac{total \: distance \: covered \: }{total \: time \: taken}$

$av. \: \: speed \: = \frac{32}{6} = 5.33 \: m \: per \: sec$