Question

a scooter covers a distance of 3 kilometres in 5 minutes. calculate its speed in cm/sec, m/sec, km/hr??? Of Physics class 9th CBSE​

Answer 1

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Answer 2

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=> 3 × 1000 = 3000 m

=> 3000 × 100 = 300000 cm

=> 5 × 60 = 300 sec

=> 5 / 60 = 0.083 hr

speed = distance / time

speed = 300000 / 300 = 1000 cm / sec

speed = 3000 / 300 = 10 m / sec

speed = 3 / 0.083 = 36.14457831 km / hr

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