Problem 1:If Dev drive half-way to the city at 30 miles/hour, how fast does Dev have to go for the rest of the way to make the average speed for the entire journey of 60 miles/hour?
Problem 2:
A girl, a boy, and a dog are walking down a road together. The boy walks at 5 miles/h, and is just behind the girl who walks at 6 miles/h. The dog runs from boy to girl and back again with a constant speed of 8 miles/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?
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Problems from M-01/28/21
Problem 1:
If a tire rotates at 350 revolutions per minute when the car is traveling 72km/h, what is the diameter of the tire?
Problem 2:
If the length of minute hand of of clock is 12 cm. What is the distance traveled by the tip of the minute hand in one day?
Congratulations to Ramachandran Balakrishna, who was the winner of the last set of problems.
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