Question

9. Saira drives her car with a uniform speed of 45 km h-!. Find:
(a) her speed in m min-1​

Answer 1

Multiplying given speed by 5/18

$\sf{ \: \: \: 45 \times \frac{5}{18} }$

$\sf{= \frac{225}{18} = 12.5m/s}$