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a) Electrons accelerated by a potential difference of 13.22 V pass through a gas of hydrogen atoms at room temperature. Calculate the wavelength of light emitted with the longest possible wavelength.
b) Calculate the wavelength of light emitted with the shortest possible wavelength.
A 3600 kg truck is moving at a constant speed of 50.0 m/s. The coefficient of friction between the tires and the road is .550. find What is the net force acting on the car
At the beginning of 2013, an asteroid crashed in Russia, making for a very spectacular Youtube clip. determine the speed at which it crashed on the ground
Avoid the weight of the bat, since it is so much less than the force of the bat. Select the direction of the incoming ball as positive direction.
Two identical conducting small spheres are placed with their centers 0.395 m apart. Find the electric force exerted by one sphere on the other
Two rooms in your house differ in temperature by 8.5?F. What's the temperature difference in kelvin
Knowing the temperature at the surface of the Earth to be 72 Find the temperature at the surface of Venus
A dead battery is charged by connecting it to the live battery of another car with jumper cables. Determine the current in the dead battery
A meteor that falls to earth from a great distance has a speed of 11 km/s. In class we found that the temperature of an iron meteor is 290,000K. We assumed all of the energy heats the meteor and none of it is transferred to the surroundings.
An object slides down a frictionless inclined plane. At the bottom, it has a speed of 9.80 m/s. What is the vertical height of the plane
A box weighing 215 N is placed on an incline plane that makes an angle of 350 with the horizontal. Compute the component of the weight perpendicular the plane
A uniform magnetic field is at right angles to the plane of a wire loop. The field decreases by 0.16Tin 3.0×10?3s and the magnitude of the average emf induced in the loop is 82V, What is the area of the loop
A 2.30-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 3.40sin(2?t), Find the angular frequency of the driven system
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