An object is moving in a circle of radius $100 \,m$ with a constant speed of $31.4 \,m/s$. What is its average speed for one complete revolution ......... $m/s$
An object is moving in a circle of radius $100 \,m$ with a constant speed of $31.4 \,m/s$. What is its average speed for one complete revolution ......... $m/s$
- A
$0$
- B
$31.4 $
- C
$3.14$
- D
$\sqrt 2 \times 31.4$
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