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102年 - 102 國立臺灣大學_轉學生招生考試:普通物理學(A)#139125
> 申論題
11. What are the Kepler's laws of planetary motion? Please derive the Kepler's third law.
相關申論題
1. A ball is thrown horizontally from a height of 30 m and hits the ground with a speed that is three times its initial speed. The initial speed of the ball is _(1)_ m/s.
#571029
2. A single force acts on a 2.0 kg particle-like object in such a way that the position of the object as a function of time is given by x = 3.0t - 4.0t2 + 1.0t3, with x in meter and t in seconds. The work done on the object by the force from t = 0 to t = 4.0 s is _(2)_ J.
#571030
3. Please write down the Bernoulli's equation._(3)_
#571031
4. A body of mass 2.0 kg makes an elastic collision with another body at rest and continues to move in the original direction but with one-fourth of its original speed. What is the mass of the other body? _(4)_ kg.
#571032
5. A parallel-plate capacitor has area L ✕ L and separation D << L. One-half the space between the plates is filled with a dielectric for which k = k0, the other half with a dielectric for which k = k1. The capacitance of this capacitor is _(5)_.
#571033
6. N electrons move at speed v in a circular orbit of radius R. What is the magnetic dipole moment associated with the current loop?_(6)_
#571034
7. The magnetic field for a given electromagnetic wave has an rms value of 7✕10-9T. How much energy is transported per minute through a 0.1-m2 area?_(7)_
#571035
8. Yellow light at 587.6 nm, characteristic of helium, is found to be redshifted as it is observed in a certain star; the wavelength is measured to be 611.7 nm. How fast is the star receding from Earth?_(8)_
#571036
9. 2.00 kg of water is warmed from 20.0 °C up to 80 °C. What is the change in entropy \( \Delta S \) of the water? (The specific heat of water is c = 4.19 kJ/kg·K)
#571037
10. Several objects (a hoop, a solid cylinder, a solid sphere, and a thin spherical shell) roll, without slipping down an incline of vertical height H, all starting from rest at the same moment. In addition a box slides down without friction. In what order do they reach the bottom of the incline?
#571038
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