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In a photoelectric effect experiment, visible radiation is incident upon a metal of work function 1.05 eV. The stopping voltage is 1.09 Volts. What is the wavelength of the incident radiation? Express your answer in nanometers.
The speed of sound in air is 332 m/s at 0°C. It increased 0.60 m/s for each degree above zero. compute the speed of sound at the temperature of the room.
illustrate what is the new horizontal distance L between the base of the slide and the splashdown point of the person?
A heat engine that is 58.6% efficient does 235.4 kJ of work. How much thermal energy input was required to perform this work
A 12.0 kg box is pulled along a horizontal surface by a force Fp at a 30° angle above the horizontal. Calculate the acceleration of the box assuming a force of magnitude 45 N is applied at the 30° angle
You and Maria each own identical spaceships. As you fly past Maria, you measure her ship to be 85m long and your own ship to be 100 m long. How fast is Maria moving relative to you
compute how much charge must be placed on the surface of a sphere of radius 0.31 m for the electric potential just above the surface to be 100 V. Assume that the charge is uniformly distributed.
This is because of the average release of about 0.03 J per kilogram each year. Show that at 500 C increase in temperature for a thermally insulated chunk of granite takes about 13.3 million years. (Assume that the specific heat of capacity c of g..
A thermos contains 130 cm3 of coffee at 85° C. To cool the coffee, you drop two 13-g ice cubes into the thermos, What is the final temperature of the coffee
An Escort and a Camaro traveling at right angles collide and stick together. The Escort has a mass of 1300 kg, What was the speed of the Camaro
The working substance of an engine is 1.00 mol of diatomic gas. The engine operates in a cycle consisting of three steps, Find the efficiency of this cycle
The antenna on a cordless phone radiates microwaves at a frequency of 2.0 GHz. What is the maximum length of the antenna
What value of capacitance will ensure that an output voltage stays within 3 percent of the rated 22v . find an electric field between them and surface charge density on the plate.
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