Exercise 9.3
A driver leaves a city at 6 a.m. and another driver leaves the city from the same place at
11:30 a.m. in the same direction. If the average speed of the first driver was 55 km/h and the sea
driver was 62 km/h, find the time at which they will be together
Two trains of lengths 300
moving. Each train has a speed of 85 km/h and
2
and 250
Answers
Answered by
0
Answer:
Exercise 9.3
A driver leaves a city at 6 a.m. and another driver leaves the city from the same place at
11:30 a.m. in the same direction. If the average speed of the first driver was 55 km/h and the sea
driver was 62 km/h, find the time at which they will be together
Two trains of lengths 300
moving. Each train has a speed of 85 km/h and
2
and 250
Answered by
2
Answer:
Distance covered by first driver in 6 am - 11 : 30 am
so, 55 × 5.5 = 302.5 km
Relative speed = 62 - 55 = 7 km
so
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