Q86. A car travels for a certain duration. Its speed during the first half of the travel time is v1 and during the second half of the travel time is v2. What is the average speed of the car for the entire journey?Physics — Nust Mock By Dogers 1 — Question 86 of 200A. √(v1v2)B. (v1v2)/(v1 + v2)C. (v1 + v2)/2D. √((v12 + v22)/2)Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →