JEE Mains · Physics · STD 11 - 6. system of particles and rotational motion
A uniform thin metal plate of mass \(10 \mathrm{~kg}\) with dimensions is shown. The ratio of \(x\) and \(y\) coordinates of center of mass of plate in \(\frac{n}{9}\). The value of \(n\) is _______.
- A \(15\)
- B \(17\)
- C \(18\)
- D \(20\)
Answer & Solution
Correct Answer
(A) \(15\)
Step-by-step Solution
Detailed explanation
\(\mathrm{m}_1 =\sigma \times 5=10 \mathrm{Kg}\) \(\mathrm{m}_1 =\sigma \times 5=10 \mathrm{Kg} \quad \mathrm{m}_2=\sigma \times 1=2 \mathrm{Kg}\) \(\mathrm{m}_3=\sigma \times 6=12 \mathrm{Kg}\)…
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