Question

The radius of circle, the period of revolution, initial position and sense of revolution are indicated in the fig.

y- projection of the radius vector of rotating particle P is:

• A. $y(t)=-3 cos2\pi t$, where $y$ in $m$
• B. $y(t)=4 sin(\frac{\pi t}{2})$, where $y$ in $m$
• C. $y(t)=3cos(\frac{3\pi t}{2})$, where $y$ in $m$
• D. $y(t)=3cos(\frac{\pi t}{2})$, where $y$ in $m$

Answer 1

Answer: (D)

$y(t)=3cos(\frac{\pi t}{2})$, where $y$ in $m$

Answer 2

The correct option is (D) :$y(t)=3cos(\frac{\pi t}{2})$, where $y$ in $m$