1.

Arrange the following speeds in increasing order (keeping the least speed first): 1. An athlete running with a speed of 10 m/s. 2. A bicycle moving with a speed of 200 m/min. 3. A scooter moving with a speed of 30 km/h.

Answer»

Speed of athelete = 10 m/s

Speed of bicycle = 200 m/min = 200/60 m/s = 3.33 m/s

Speed of scooter = 30 km/h = 30000/3600 m/s = 8.33 m/s

3.33 m/s < 8.33 m/s < 10 m/s

i.e. 200 m/min < 30 km/h < 10 m/s


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