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A parallel-plate capacitor is charged to an electric potential of 343 Volt by moving 3.69 E+16 electrons from one plate to the other. Determine how much work is done in charging the capacitor?
At a stop light, a truck of mass, mT = 1.10 x 10^4 kg, fails to hit its brakes until it has hit a car of mass,mC = 1.60 x 10^3 kg. Determine the velocity of the combined truck and car immediately after the collision
A box 10 kg in massis sitting 4 meters above the ground on the edge of a skateborders half-pipe ramp. What will the speed of both boxes be after collison
An athlete crosses a 28 m wide river by swimming perpendicular to the water current at a speed of 0.8 m/s relative to the water. What is the speed of the swimmer with respect to a friend at rest on the ground
What diameter needle should be utilized to inject a volume of 500cm^3 of a solution into a patient in 30 min? Suppose the length of the needle is 2.5cm and the solution is elevated 1.0m above the point of injection. Also suppose the density and visco..
A 20 liter tank of helium is at a pressure of 190 kPa at a temperature of 0 C. What is the speed of the helium atoms in the tank at this new volume
A woman is walking up a mountain trail at a constant speed. Whileshe is walking she ingests a candy bar that supplies 745 Cal ofenergy. The work she does while climbing results in an increase ofgravitational potential energy of 469 Cal.
An open-pit coal mine consumes 71hectares of land, down to a depth of 23m, each year. What volume of earth, in cubic kilometres, is separate in this time.
Two high-current transmission lines carry currents of 27.0 A and 80.0 A in the same direction and are suspended parallel to each other 35.0 cm apart. what magnetic force does each segment exert on the other
A solid block is suspended from a spring scale.When the block is in air the scale reads 35.9 N, when immersed inseawater the scale reads 30.3 N, What is the density of the block
A technician wraps wire around a tube of length 33 cm having a diameter of 8.1 cm. If the current in this solenoid increases at the rate of 5 A/s, what is the self-induced emf in the solenoid
You have a parallel plate capacitor with circular plates of radius 1 cm. The distance between these plates is 4 cm, what would the new distance between the plates be
Two identical 1500 kilogram cars are moving perpendicular to each other. Find the total momentum of the system
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