Physics, asked by hinarahman1720, 1 month ago

A cyclist travels for 20mins at speed of 30km/hr and for 40mins at 15km/hr find the total distance she travels. calculate her average speed

Answers

Answered by rohithsajeev1
2

Answer:

1) 20 minutes

30km/h

30 km = 60 min

30/3 km = 20 min

20 minutes = 10 km

40 minutes

15 km/h

15km = 60min ((60×2/3 = 40))

40 min = 15 × 2/3

40mi = 5*2 = 10 km..

therefore total distance = 20 km

speed = 20km/ 1 h

= 20km/h

Explanation:

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