Question

c is a point midway between A and B . the average speed of a person from A to C is V .at what speed must be travel the remaining distance to have an average speed of 4V/3 for the whole journey ?

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Answer 1

Answer:

5/3

speed from A to C =V

let's take speed from c to B =X

• V+X /2 =4V/3
• V+x =8V/3
• X= 8V - 3V / 3
• X=5V/3