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22 votes
Physics

Two runners were running on a 100m race. Runner A is running at a speed of 10m/s whereas runner B is at 9m/s. What is the velocity of runner A relative to runner B?

Please help me!!!!​

User Hoa Tran
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1 Answer

23 votes
23 votes

Answer:

1 m/s

Step-by-step explanation:

Given that :

Speed of runner A (Va) = 10m/s

Speed of runner B (Vb) = 9m/s

The velocity of runner A relative to runner B;

Vab = Va - Vb

Vab = 10m/s - 9m/s

Vab = 1 m/s

Hence, the velocity of runner A relative to the velocity of runner B is 1 m/s

User Eric Chang
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