Question

Which motion map represents an object moving in uniform circular motion with the greatest tangential speed?

Answer 1

Answer : Figure B shows maximum tangential speed.

Explanation :

When a body is moving in a circular path of radius r and angular velocity $\omega$, then its tangential speed is given by :

$v=r\ \omega$

or it can also defined as :

In circular motion distance covered by particle is, $d=2\pi r$

and if t is the time.

So, $v=\dfrac{2\pi r}{T}$

In circular motion the object moves tangentially and the magnitude of tangential speed is same in all direction.

So, figure (B) shows the greatest tangential speed.

Answer 2

B since theyre all equal