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Distance and Displacement

Question 42 D...

Question

Question 42

Devangi travels 50 m distance in 75 steps, then the distance travelled in 375 steps is___km.

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Solution

$∵$ Devangi convers the distance in 75 steps =50 m
So, she cover the distance in 1 step = $\frac{50}{75} m$
In 375 steps, she will cover
$= \frac{50}{75} \times 375 = \frac{18750}{75} = 250 m = \frac{250}{1000} k m [∵$ 1 km =1000 m]
=0.25 km

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Distance and Displacement

Standard IX Physics

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