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1) When looking at a hydrogen discharge tube with a spectrometer, what happens to the the spacing between the lines as the lines get closer to the UV range? Why?
2) Are there transitions of higher or lower energy that are not seen? How many total transitions are there for hydrogen?
She pumps the handle up and down, slowly lifting the car. What is the force exerted on the small piston during each downward stroke?
A satellite is in a low circular orbit about the Earth (such as it just skims the surface of the Earth). How long does it take to make one revolution around Earth.
Two metal spheres, each of mass 14 g and initially at rest, are dropped from a height of 6 m in an evacuated chamber. One sphere has a charge of +50 ?C, and the other has a charge -50 C.
The rocket fires for 10 mins , after that the asteroid is moving at 30 degrees to its original path at the speed of 18 km/h/ Find its average acceleration.
A mass spectrometer applies a voltage of 2 kV to accelerate a singly charged positive ion. A magnetic field of B = 0.400 T then bends the ion into a circular path of radius 0.305m. What is the mass of the ion.
He milk is pumped (at a constant flow rate of 29532 L h-1) through a pipe that has an internal diameter of 65 mm. What is the milk velocity
A point charge 8.00 nC is at the center of a cube with sides of length 0.200m. what is the electric flux through: (a) the surface of the cube (b) on of the six faces of the cube?
Calculate the size of the average force. plan the force vectors with their tails at the left sphere
A parallel-plate capacitor has square plates of edge length 1.8 cm and a plate spacing of 0.018 mm. If the gap between the plates is a vacuum, what is the capacitance?
How fast should a car move toward you for the car's horn to sound 2.88% higher in frequency than as the car is stationary? The speed of sound is 343 m/s.
Both drawings show the same square, each of which has a side of length L = 0.82 m, Find the single smallest frequency that will produce both constructive interference in drawing 1 and destructive interference in drawing 2
A converging lens (f = 14.9 cm) is located 24.6 cm to the left of a diverging lens (f = -7.07 cm). Locate the final image of the stamp relative to the diverging lens
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