What is 500mm equal to in cm
2 answers:
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Answer:
1 hour
Step-by-step explanation:
The distance covered by each of the two vehicle can be written as
where
d is the distance covered
v is the speed of the vehicle
t is the time elapsed
For the bus, the speed is
So the distance covered by the bus in a time t is
(1)
The kids in the bus took 3 hours to reach the camp,
t = 3 h
So the distance between the school and the camp is:
For the truck, the speed is
So the distance covered by the truck in a time t is
(2)
Since the distance to cover is 180 miles, the time taken by the truck is
And so, the truck arrives
1 hour after the bus.