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1. A Michelson interferometer has a vacuum chamber 5.0 cm long placed in one of its arms. The interferometer is illuminated with green laser light of wavelength lambda = 543.5nm. As an unknown gas is let into the vacuum chamber, 200 fringes are counted. (Assume an ideal vacuum initially). What is the index of refraction of the gas as determined by this experiment?
A capacitor is charged to a potential of 12.0 V and is then connected to a voltmeter having an internal resistance of 3.50M%u03A9. What is the time constant of the circuit
When a moving car of small mass collides with the stationary car of large mass, after the collision
An electromagnetic doorbell has been constructed by wrapping 66 turns of wire around a long, thin rod, What is the magnitude of the angular velocity of the rod
a 0.155 kg baseball pitched horizontally at 30.0 ms strikes a bat and is popped straight up to a height of 32.0 m.1 if
A scientist changes the frequency of an incident X-ray to 4.50e19 Hz and measures the deflected X-ray frequency of 4.32e19 Hz. What was the angle of deflection
A uniform rod of mass 2.65×10?2kg and length 0.450m rotates in a horizontal plane about a fixed axis through its center, find the angular speed of the rod after the rings leave it
Two small plastic spheres are given positive electrical charges. When they are 18.0cm apart, the repulsive force between them has magnitude 0.300 N. find the charge on each sphere if the two charges are equal
A cylindrical container with a cross-sectional area of 67.2 cm2 holds a fluid of density 756 kg/m3. Calculate what is the depth of the fluid
A 17-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 32 N. Find the coefficient of kinetic friction between the runners of the sled and the snow
You need a transformer to reduce a voltage of 150 V in the primary circuit to 25 V in the secondary circuit. What is the effective resistance of the secondary circuit
A 0.25 meter segment of wire lies along the x-axis and carries a current of 4.7 Amp in the negative x direction. Find what is the force on the segment of wire due to the magnetic field
While sitting in physics class one day, you begin to ponder the workings of the analog clock on the classroom wall. Calculate the angular velocity of the second hand
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