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University of Cambridge/Numerical Answers to Tripos Questions/Natural Sciences Tripos/Physics B/2005 Paper 1

< University of Cambridge | Numerical Answers to Tripos Questions | Natural Sciences Tripos | Physics B

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Section AEdit

1. b/a

2. N/A

3. 7.7 MHz (says one person)

4. 0.0128 or maybe 0.0561

5. \omega=√2ga

6. acceleration = {(m2 - m1)g}/{m1 + m2 + I/a^2}

Section BEdit

7.

    1. N/A
    2. charge stored = a/d
    3. q.[\frac{1}{(d-a)} - \frac{2c}{(a^2-c^2)}]/(4\pi\epsilon_0) ??
    4. Can't do this bit, which makes me think 3. is wrong
    5. 6.71*10-10 C

8.

    1. N/A
    2. N/A
    3. I_B\pi b^2
    4. \frac{\omega\mu_0a^2m_0sin\theta}{2\sqrt{2}(x_0^2+a^2)}
    5. assuming; a=0.1m, x_0=0.1m, \theta=\pi/4, p=10^5Pa and T=310K, V=2*10^{-5}m^3

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