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For NaCl compute (a) the energy in eV necessary to excite the first rotational state and (b) the wavelength and frequency of the photon emitted in the transition back to the ground state. (assume that the molecule is in the electronic and vibrational ground states)
What is the Professors initial velocity. He is pushed a distance 3.00 m along the incline by a group of students who together exert a constant horizontal force of 595 N. The professor's speed at the bottom of ramp is 1.70 m/s.
Write down the expression for net torque
A rock is tossed straight up with a speed of 29 m/s. How long is the rock in the air, from the instant it is released until it hits the bottom of the hole
A certain current on passing through a galvanometer produces a deflection of 100 divisions. The galvanometer resistance would be
A block and a gun are firmly affixed to opposite ends of a long glider mounted on a frictionless air track. find the mass of the gun-glider-block system
An 86kg man drops from rest on a diving board 3.0m above the surface of the water and comes to rest 0.55s after reaching water. What is the net force on the diver as he is brought to rest.
Design a decorative "mobile" to consist of a low-mass rod of length 0.46 m suspended from a string so that the rod is horizontal, find the tension in the string that supports the mobile
A coin is tossed upward with an initial speed of 7.5 m/s2, What is the total time it is in the air before returning yo it's releasing point
A potter's wheel is rotating around a vertical axis through its center at a frequency of 1.5rev/s. find the frequency of the wheel after the clay sticks to it
A box of mass 72.0 kg is connected to a second box with a mass of 34.0 kg. find the magnitude of the tension in the string between the two boxes
A satellite moves in a circular orbit around Earth at a speed of 5918 m/s? Determine the period of the satellite's orbit
The battery of a pocket calculator has a voltage of 4.0 V and devilers a current of 0.29 mA. In one hour of operation How much charge flows in the circuit
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