Question

Car A is moving due North with velocity of 10 ms Car B is moving due West with
velocity of 15 ms. The relative speed of car B with respect to A, will be:
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Answer 1

Explanation:

relative velocity is defined as

Vab=Va-Vb

Va=10j

Vb= -15î

hence Vab= +10j -(-15î)

Vab=15î+10j