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Question: How many coulombs (C) of positive charge are there in 1.32 kg of plutonium, given that its atomic mass is 244 and each plutonium atom has 94 protons?
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White light falls on a single slit 0.050 mm wide. A screen is placed 1.00 m away. A student first puts a blue-violet filter (\gamma = 441 nm) over the slit, then a red filter (\gamma = 622 nm). The student gauges the width of the central peak, that i..
When the 210kg Genesis Mission capsule crashed with a speed of 311km/h, it buried itself 81.0cm deep in the desert floor. Assuming constant acceleration during the crash, at what average rate did the capsule do work on the desert?
The ball rebounds straight upward to a height of 0.660 m. illustrate hat are the magnitude and direction of the impulse of the net force applied to the ball during the collision with the floor.
A helicopter has blades of length 2.5m, extending out from a central hub and rotating at 4.00 rev/s. If the vertical component of the Earth's magnetic field is 50.0μT, what is the emf induced between the blade tip and the center hub?
A spring that does not conform to Hook's law exerts a force F =52.8 x + 38.4 x2 in the direction opposite of the stretch. Find what is the work required to stretch the spring from 0.500 m to 1.000 m
One mole of an ideal gas does 2 600 J of work on its surroundings as it expands isothermally to a final pressure of 1.00 atm, Determine the initial volume of the gas
A train is moving parallel and adjacent to a highway with aconstant speed of 23 m/s. Ini- tially a car is 34 m behind thetrain, traveling in the same direction as the train at 34 m/s, and accelerating at 3 m/s2. What is the speed of the car just a..
two concentric metallic shells conductors have radii r and 2r respectively. a charge q is placed on the inner shell and
A solenoid with a cross-sectional area of 1.76 x 103 m2 is 0.765 m long and has 440 turns per meter. Find the magnitude of induced emf in this solenoid
An RC series circuit has R = 1.35 kOhm, L = 225 mH, and C = 2.50 microFarads and is connected across a 200 V (rms), find the impedance of the RC combination
A 0.140-kg baseball is dropped from rest. It has a speed of 1.20 m/s just before it hits the ground. what is the average force exerted by the ground on the ball
A Carnot engine operates between the temperatures 420K and 300K, How much heat is discarded to the cold reservoir as this work is done
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