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A battery with e=12.0V and internal resistance r=1.9Ω is connected to two 9.5-kΩ resistors in series. An ammeter of internal resistance 0.70Ω measures the current, and at the same time a voltmeter with internal resistance 12kΩ measures the voltage across one of the 9.5-kΩ resistors in the circuit. What does the ammeter read? What does the voltmeter read?
Four identical particles of mass 0.608 kg each are placed at the vertices of a 4.08 m x 4.08 m square and held there by four massless rods, What is the rotational inertia of this rigid body
When water freezes, it expands about 8.95%. What would be the pressure increase inside your automobile's engine block if the water in it froze
A cup of water is heated with a heating coil that delivers 117.85 W of heat. In one minute, the temperature of the water rises by 29.47 C. What is the mass in grams of the water
A point moves along the x-axis with its position, x, at time t given by x(t) = t3 - 3t2 + 2t - 1. Which of the following is the acceleration when t = 2?
Describe an experiment to measure the molecular weight Mw and the second viral coefficient B of a macromolecules in solution using osmotic pressur. Show how you would plot the experimental data.
wheel A of radius rA = 11 cm is coupled by belt B to wheel C of radius rC = 20 cm. The angular speed of wheel A is increased from rest at a constant rate of 1.6 rad/s2. Find out the time needed for wheel C to reach an angular speed of 100 rev/min,..
A satellite with a mass of 330 kg moves in a circular orbit 8.00 multiply.gif 107 m above the Earth's surface. What is the gravitational force on the satellite
Considering just the Sun and Jupiter, determine the radius of the circular orbit the Sun makes about the Sun-Jupiter center of mass
A ball is thrown horizontally with a speed of 10.0 m/s, from the edge of the top of a building of height 19.6 m, and later strikes the (level) ground. How far from the base of the building did the ball strike the ground
The vertical displacement of particles in a string (when a wave is propagating through it) is given by y = (0.02) sin[(10?)t - (8?)x], What is the amplitude of the wave
A small lightbulb is 1.04 from a screen.If you have a convex lens with 19 focal length, where are the two lens locations that will project an image of the lightbulb onto the screen? What’s the magnification in the first case (smaller distance from th..
A 5.80uFparallel-plate air capacitor has a plate separation of 4.00mmand is charged to a potential difference of 400V. Calculate the energy density in the region between the plates
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