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A container of volume 0.40m3 contains 3.3 mol ofargon gas at 28°C. Assuming argonbehaves as an ideal gas, find the total internal energy of the gas.
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a dog walking quickly away from a motion detector. Draw a velocity graph that could represent this motion
Two trains and a bird Two trains, each having a speed of 23km/h, are headed at each other on the equal straight track. A bird that can fly 60km/h flies off the front of one train when they are 70 km apart and heads directly for the other train.
An object is placed directly between a large planet and a star. Find the distance from the planet for which the net gravitational force exerted by the planet and by the star on this object is zero. DATA: Mstar= 1.90E+30 kg, Mplanet= 6.90E+25 kg, Dpla..
A car rounds a 230 m -radius curve at 14.5 m/s. If the horizontal force acting on the car is 790 N, what's the car's mass
What is the speed of light in crown glass (n = 1.52) and What is the speed of light in ethyl alcohol (n = 1.36)
A horizontal rifle is fired at a bull's-eye. The muzzle speed of the bullet is 671 m/s. compute the horizontal distance between the end of the rifle
A railroad car with a mass of 25,000 kg rolls into a second stationary car with a mass of 50,000 kg. How fast was the first car moving before the collision
In an aortic aneurysm, a bulge forms where the walls of the aortaare weakened. If blood flowing through the aorta (radius 1.0 cm)enters an aneurysm with a radius of 3.0 cm, how much on average isthe blood pressure higher inside the aneurysm than the ..
To fit a contact lens to a patient's eye, a keratometer can be used to measure the curvature of the cornea-the front surface of the eye. Determine the radius of curvature of the cornea
A baseball (m=140g) traveling 32m/s moves a fielders glovebackward 25cm when the ball is caught. What was the average force exerted by the ball on the glove
Light of wavelength 650 nm falls on a 0.48 mm wide slit and forms a diffraction pattern on a screen 1.8 m away.
Four equal positive point charges, each of charge -14 C , are at the corners of a square of side 12cm.What charge should be placed at the center of the square so that all charges are at equilibrium? Solve using only Biot-Savart and maxwell's equation..
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