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sergiy2304 [10]
3 years ago
8

a toy car travels from A to B at constant speed 30km/hr and without stopping at B return A at constant speed v. if the average s

peed of the car is 24km/h then v is​
Physics
1 answer:
adelina 88 [10]3 years ago
4 0

Answer:

Speed BA = 18 km/hr.

Explanation:

Given the following data;

Speed AB = 30km/hr

Speed BA = x km/hr

Average speed = 24 km/hr

To find the value of x;

Average speed = (Speed AB + Speed BA)/2

Substituting into the equation, we have

24 = (30 + x)/2

48 = 30 + x

x = 48 - 30

x = 18 km/hr

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