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An isolated conductor of arbitrary shape has a net charge of +9.5 x10-6 C. Inside the conductor is a cavity within whichis a point charge q = +2.4 x 10-6 C. InCoulombs, what is the charge on the outer surface of the conductor?
A 35.0-kg child swings in a swing supported by two chains, each 2.92 m long. Find the force exerted by the seat on the child at the lowest point. (Ignore the mass of the seat.)
A parallel-plate capacitor has an area of 100 x 100?m^2. Calculate the capacitance values for two distances between the electrode plates: 1 and 0.5 µm. The medium is air. If the bias (voltage) in (a) is 3V, what is the attractive force?
Four identical masses of 2.7 kg each are located at the corners of a square with 1.5 m sides. What is the net force on any one of the masses
A jewel smith wishing to buff a finished piece of jewelry attaches a buffing disk to his drill. What is the period of rotation of the disk now
A loudspeaker of mass 20.0 kg is suspended a distance of h = 2.20m below the ceiling by two cables that make equal angles with the ceiling. What is the tension T in each of the cables
An empty capacitor is capable of storing 1.0 × 10-4 J of energy when connected to a certain battery. If the distance between the plates is halved and then filled with a dielectric, how much energy could this modified capacitor store when connected..
A car traveling initially at 53.5 km/h crashes into a brick wall. The front end of the car collapses, Find the horizontal force exerted on him by the seat harness
Suppose the gasoline in a car engine burns at 637 oC, while the exhaust temperature (the temperature of the cold reservoir) is 106 oC, Determine the ratio of the total work produced by both engines to that produced by the first engine alone
A car battery with a 12 V emf and an internal resistance of 0.035 is being charged with a current of 60 A. What is the rate Pr of energy dissipation inside the battery
A disk rotates about its central axis starting from rest and accelerates with constant angular acceleration. find the number of radians from rest until the time the disk reaches the 5.5 rad/s angular speed
A capacitor in a single-loop RC circuit is charged to 57% of its final voltage in 1.3s, Find the percentage of the circuit's final voltage after 4.3s
A 0.300-kg puck, initially at rest on a horizontal, frictionless surface, Determine the velocity of the 0.300-kg puck after the collision
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