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3-2.Motion in Plane
easy
Two cars of masses $m_1$ and $m_2$ are moving in circles of radii $r_1$ and $r_2$, respectively. Their speeds are such that they make complete circles in the same time $t$. The ratio of their centripetal acceleration is
A$1 : 1$
B$m_1 r_1 : m_2 r_2$
C$m_1 : m_2$
D$r_1 : r_2$
(AIEEE-2012)
Solution
Both have same time period.
$\frac{\omega^{2} r_{1}}{\omega^{2} r_{2}}=\frac{r_{1}}{r_{2}}$
$\frac{\omega^{2} r_{1}}{\omega^{2} r_{2}}=\frac{r_{1}}{r_{2}}$
Standard 11
Physics
