Question

(ii) A car covers 300 m in 20 s. Find its speed in km/h.​

Answer 1

Answer:

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Step-by-step explanation:

distance=300m

time=20s

speed=300/20

15m/s=36km/h

Answer 2

Answer:

54km/h

Step-by-step explanation:

If car covers 300 m in 20 s then,

It covers 15m/s (divide 300 and 20 by 20 to get 15).

To convert into km/h, multiply by 18/5

15 × 18 ÷ 5

270 ÷ 5 = 54

54km/h

Hope it helps!