Kinematics Question 26

Question: A body moves due East with velocity 20 km/hour and then due North with velocity 15 km/hour. The resultant velocity [AFMC 1995]

Options:

A) 5 km/hour

B) 15 km/hour

C) 20 km/hour

D) 25 km/hour

Show Answer

Answer:

Correct Answer: D

Solution:

Resultant velocity $ =\sqrt{2{0^{2}}+15^{2}} $ = $ \sqrt{400+225}=\sqrt{625}=25\ km/hr $



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