Question

 A car travels first 30 kilometer in time 1 hour and next 50 kilometer in time 3 hour, then the average speed of the car and motion of the car is *


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Answer 1

Average speed = 30 + 50 / 1 + 3

= 80 / 4

= 20 km / hr

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Answer 2

Answer:

⋆ QUESTION ⋆

Q. A car travels first 30 kilometer in time 1 hour and next 50 kilometer in time 3 hour, then the average speed of the car and motion of the car is ?

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⋆ ANSWER ⋆ 

Total distance covered by car = 60 km

And, total time taken in journey t=t1 + t2t

t=v1/ s1 + v2/s2

= 60/30 + 40/30

= 5/4h

Therefore, Average Speed= Total Time/Total Distance

60km/⁵/⁴ = 48km/h

so the average speed is = 48 km/h