abrarwolfhard abrarwolfhard

25-03-2020
Physics

contestada

Two cars are approaching each other. One is travelling at 30mph whilst the other is travelling at 50mph. What is their relative speed?

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olatunbosunadeoke olatunbosunadeoke

25-03-2020

Answer: 80mph

Explanation:

Since the two cars are approaching each other, it can be said that:

Speed of Car A moving from left to right = 30mph

Speed of Car B moving from right to left = 50mph

Now recall that relative speed of objects moving in opposite directions is equal to the sum of each speed

Hence, Relative speed = (Speed of Car A + Speed of Car B)

Relative speed = (30mph + 50mph)

Relative speed = 80mph

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