Question

33. A car travels 1/3 of the distance on a straight road
with a velocity of 10 km/h, the next 1/3 with a
velocity of 20 km/h and the last 1/3 with a velocity
of 60 km/h. What is the average velocity of the car
for the whole journey?
(a) 18 km/h
(b) 10 km/h
(c) 20 km/h
(d) 15 km/h​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Therefore, time taken for first 1/3rd = 60÷10= 6hr. Time for second 1/3rd = 60÷20= 3hr. Time for final 1/3rd = 60÷60= 1hr. This discussion on A car travels 1/3 of the distance on a straight road with a velocity of 10 km/h, the next 1/3 with a velocity of 20 km/h and the last 1/3 with a velocity of 60 km/h.