Question 11 Mark
A spaceship travels 36000 km in one hour. Express its speed in $km / s$.
Answer
$\begin{aligned} \text { As, speed } & =\frac{\text { distance }}{\text { time }}=\frac{36000}{1 \times 3600} \quad[\therefore 1 h=3600 s] \\ & =10 km / s \end{aligned}$
View full question & answer→$\begin{aligned} \text { As, speed } & =\frac{\text { distance }}{\text { time }}=\frac{36000}{1 \times 3600} \quad[\therefore 1 h=3600 s] \\ & =10 km / s \end{aligned}$
