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Solve the following problems given below:
Problem: A helium-neon laser beam has a wavelength in air of 633 nm. It takes 1.48ns for the light to travel through 31.0cm of an unknown liquid.
A- What is the wavelength of the laser beam in the liquid?
Show how you get the answer, so that I can better understand how to do it.
The chemical energy releasedby burning a gallon of gasoline is approximately1.3x10^5KJ.estimatethe total energy used by all of the cars in the US during thecourse of one year. what fraction does this represent of the totalenergy by the US in one y..
A 53 kg woman and a 80 kg man stand 13 m apart on frictionless ice. If they hold on to two ends of a rope, and the man pulls on the rope so that he moves 3m, how far from the woman will he be now.
Find the speed at which Superman (mass=83.0 kg) mustfly into a train (mass = 16756 kg) traveling at 100.0 km/hr to stop it. Running into the train at that speed would severely damage both train and passengers.
A ?ywheel in the form of a heavy circular disk of diame
a 2.745 kHz the reactance in a circuit of a 4uF capacitor and an inductor are equal in magnitude. what is the value of the inductor
A quantity of gas in a piston cylinder has a volume of 0.544 m3 and a pressure of 200 Pa. The piston compresses the gas to 0.126 m3 in an isothermal (constant-temperature) process. What is the final pressure of the gas? Pa A periodic wave has a frequ..
An extension cord is used with an electric weed trimmer that has a resistance of 18.3 ?. Determine the resistance of the extension cord
Nichrome wire of cross-sectional radius 0.754 mm is to be used in winding a heating coil. calculate the length of wire you must use to wind the coil
Your adventurous friend Lola goes bungee jumping. She leaps from a bridge that is 100 m above a river. What is her height above the river at her lowest point
Three point charges are arranged along the x axis. Charge q1= -4.70 nC is located at x= 0.200 m and charge q2 = 2.20 nC is at x = -0.340 m. A positive point charge q3 is located at the origin.
q1. a mass-spring system oscillates on a horizontal frictionless surface with amplitude of 3.89 cm. if the spring
A piece of glass has a temperature of 81.0 °C. Liquid that has a temperature of 37.0 °C is poured over the glass, completely covering it, determine the specific heat capacity of the liquid
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