Question

A motorcycle is moving at a constant speed of 45km/h how long does it take the motorcycle to travel a distance of 20km?

Answer 1

Answer:

It takes 1600 seconds or $\frac{4}{9}$ hours to travel a distance of 20 km.

Explanation:

Given:

Speed of the motorcycle, $v=45\textrm{ km/h}$

Distance traveled by the motorcycle, $D=20\textrm{ km}$

We know that,

$Distance = \frac{Speed}{Time}$

∴ $Time =\frac{Distance}{Speed}=\frac{D}{v}$

Plug in 20 km for $D$ and 45 km/h for $v$. Solve for time.

⇒ Time = $\frac{20}{45}=\frac{4}{9}\textrm{ h}=\frac{4}{9}\times 3600=1600\textrm{ s}$

Therefore, the time taken to travel a distance of 20 km is 1600 seconds or $\frac{4}{9}$ hours.