Kinematics Question 327

Question: A moves with 65 km/h while b is coming back of A with 80 km/h. The relative velocity of B with respect to a is [AFMC 2000]

Options:

A) 80 km/h

B) 60 km/h

C) 15 km/h

D) 145 km/h

Show Answer

Answer:

Correct Answer: C

Solution:

$ {{\vec{v}} _{B}}+{{\vec{v}} _{A}}= $

$ {{\vec{v}} _{B}}+{{\vec{v}} _{A}}=80+65=145km/hr $



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