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1. On average, each American produces 20,000 kg of CO2 per year, mostly through the consumption of fossil fuel such as oil, coal, and natural gas. If you imaging putting this amount of gas into a cube at STP (standard temperature and pressure), what would be the length of each side of the cube?
Three equal point charges, each with charge 1.50 mu C, are placed at the vertices of an equilateral triangle whose sides are of length 0.6m. What is the electric potential energy U of the system.
Find the frequency in terahertz of visible light with a wavelength of 463 nm in vacuum
What current is required in the windings of a long solenoid that has 1710 turns uniformly dispersed over a length of 0.547 m in order to produce a magnetic field of magnitude 0.0002 T at the center of the solenoid.
Find the difference in decibel levels β1 & β2 of a sound source is related to the ratio of its distances r1 & r2 and find the average power generated by the horn.
A 3.11kg stone is tied to a thin, light wire wrapped around the outer edge of the uniform8.23kg cylindrical pulley, What is the rotational inertia of the pulley
A 1.5m -long barbell has a 22kg weight on its left end and a 35kg weight on its right end. If you ignore the weight of the bar itself, how far from the left end of the barbell is the center of gravity
Find the maximum current in a series circuit with a 25.0 mH inductor and an AC generator with an output rms voltage of 78.0 V
A novice skier starting from rest slides down a frictionless 32 degree incline whose vertical height is 125 meters
An insulated Thermos contains 210 cm3 of hot coffee at 88 °C. You put a 19.00 g ice cube at its melting point to cool the coffee. By how many degrees has the coffee cooled once the ice has melted and equilibrium is reached? Treat the coffee as though..
What is magnitude of the speed of the boat relative to a stationary shore observer. A person stands at a point that is 4 m from one of the speakers and 4.4 m from the other. Does the person hear the tone? Explain.
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 2.10×106N , one at an angle 10.0? west of north, What is the total work done by the two tugboats on the supertanker
A slingshot fires a pebble from the top of a building at a speed of 20.00 m/s. The building is 28-m tall. Ignoring air resistance, find out the speed with which pebble strikes the ground when the pebble is fired (a) horizontally (b) vertically str..
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