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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.
In her bathroom, Mindy has an overhead heater that consists of a coiled wire made of nichrome that gets hot when turned on. When the heater is first turned on, it has not yet heated up, so it is operating at 20° C. What is the current through the wi..
A spring of negligible mass stretches 3.00 cm from its relaxed length when a force of 7.70 N is applied. A 0.490-kg particle rests on a frictionless horizontal surface, What is the amplitude of the motion
A blue car with mass mc= 459 kg is moving east with a speed of vc= 20 m/s and collides with a purple truck with mass mt= 1246 kg that is moving south with a speed of vt= 10 m/s. find the magnitude of the initial momentum of the car
Unpolarized light with an average intensity of 750.0W/m2 enters a polarizer with a vertical transmissionaxis. What is the orientation angle of the second polarizer relative to the first one
Given the electrostatic potential field as a function of position V(x,y,z) = 5x^3 y + 5yz +z^2 , determine the electric field vector E
A small fan has blades that have a radius of 0.0600 m. When the fan is turned on, the tips of the blades have a tangential acceleration of 19.6 m/s2as the fan comes up to speed
A parallel-plate capacitor has a capacitance of 10mF and is charged with a 20-V power supply. What is the voltage now across the capacitor
A human wearing cloths has about 1.0 m^2 of exposed skin. How much power does a typical human loose due to radiation
A bat at rest sends out ultrasonic sound waves at 53.5kHz and receives them returned from an object moving directly away from it, What is the received sound frequency
A red ball is thrown down with an initial speed of 1.2 m/s from a height of 25.0 meters above the ground. Then, 0.6 seconds after the red ball is thrown, What is the maximum height the blue ball reaches
Two stones are thrown simultaneously, one straight upward from the base of a cliff, Find the location (above the base of the cliff) of the point where the stones cross paths
An air-filled toroidal solenoid has a mean radius of 13.0 cm and a cross-sectional area of 5.80cm^2. How many turns does the winding have
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