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John is traveling north at 20 meters/second and his friend Betty is traveling south at 20 meters/second. If north is the positive direction, what are John and Betty's speeds?

Respuesta :

AL2006
Both of their speeds are 20 m/s.
Direction is not involved in describing speed.

Answer:

The John 's speed is 20 m/s.

The Betty's speed is 20 m/s

Explanation:

Given that,

John is traveling north at 20 meters/second and his friend Betty is traveling south at 20 meters/second.

We need to calculate the John and Betty's speeds

We know that,

The speed is a scalar quantity. its has only magnitude.

Hence, The John 's speed is 20 m/s.

The Betty's speed is 20 m/s

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