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the equilibrium separation of H atoms in the H2 molecule is 0.074nm. Calculate the energies and wavelenghts of photons for the rotational transitions
a) L = 1 to L = 0
b) L = 2 to L = 1
c) L =3 to L = 2.
A sound wave has a frequency of 677 Hz in air and a wavelength of 0.50 m. What is the temperature of the air
A model rocket fired vertically from the ground ascends with avertical acceleration of 3.2m/s2 for 6.0 s. Its fuel isthen exhausted, so it continues upward as a free-fall particle andthen falls back down.
A woman holds a tube of lipstick 2.3 cm from a spherical mirror and notices that the image of the tube is upright and one fifth its normal size, Determine the position of the image. Is it in front of or behind the mirror
a potential difference of 120 v produces a current of 8.0 a in the heating element of a toaster. what is the resistance
A brass rod with a length of 10.0 cm is placed end to end with an aluminum rod with a length of 30.0 cm, What is the heat flow from the hot temperature to the cold temperature
A horizontal force of 280 Nis exerted on a 2.0 kg discus as it is rotated uniformly in ahorizontal circle (at arm's length) of radius 1.00 m. Calculate the speed of the discus
A bunch of grapes is placed in a spring scale at a supermarket. The grapes oscillate up and down with a period of 0.32s, What is the weight of the grapes
A hydrogen atom is in its ground state when its electron absorbs a 48 keV photon. What's the energy of the resulting free electron
a steam power plant receives heat from a furnace at a rate of 280 gjh. heat losses to the surrounding air from the
question a radiation detector indicates the decay activity of a radioactive material. which would have a higher reading
Alan leaves Los Angeles at 8:00 a.m to drive San Francisco, 400 mi away. He travels at a steady 50 mph. find Who gets to San Francisco first
The tune-up specifications of a car call for the spark plugs to be tightened to a torque of 38Nm . You plan to tighten the plugs by pulling on the end of a 30-cm-long wrench. With what force must you pull
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