Question 4
A bus travels 54 km in 90 minutes. The speed of the bus is
(a) 0.6 m/s
(b) 10 m/s
(c) 5.4 m/s
(d) 3.6 m/s
Speed = distance / time = 54000/(90 x 60) = 54000/5400 = 10 m/s
54 kmh = ___ ms
Jagdish jogs for 10 minutes every day in the morning. He travels a distance of 3 km. His speed in m/s is