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Average Velocity in 2D Motion

Her average s...

Question

Her average speed for the entire trip is 0.16 km $m i n^{- 1}$ .

A

True

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B

False

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Solution

The correct option is A True
Average speed $= \frac{T o t a l d i s t a n c e}{t o t a l t i m e} = \frac{| 6 ↑ | + | - 2 ↑ |}{30 + 20} = \frac{8}{50} = 0.16 K m {m i n}^{- 1}$
(TRUE)

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