Kinematics Question 790
Question: An object is moving in a circle of radius 100 m with a constant speed of 31.4 m/s. What is it’s average speed for one complete revolution [DCE 2004]
Options:
A) Zero
B) 31.4 m/s
C) 3.14 m/s
D) $ \sqrt{2}\times 31.4m/s $
Show Answer
Answer:
Correct Answer: B
Solution:
As the speed is constant throughout the circular motion therefore it’s average speed is equal to instantaneous speed.
BETA
