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Two 8.0mm×8.0mm electrodes with a0.10-mm-thick sheet of Mylar between them are attached to a 9.0V battery. Without disconnecting the battery, the Mylar is withdrawn. (Very small spacers keep the electrode separation unchanged.) Dielectric constant for Mylar is ?Mylar=3.1.
Part A What is the charge before and after the Mylar is withdrawn?
Part B What is the electric field before and after the Mylar is withdrawn?
Consider a Carnot engine that works between thermal reservoirs with temperatures of 1030.0 K and 297.0 K. How much energy is delivered to the cooler reservoir
why to Assume charge 1 is located at the origin of x axis. A ball is thrown directly downward with an initial speed of 8.70 m/s, from a height of 30.6 m. After what time interval does it strike the ground.
If the ball is released from rest at a height of 0.78m above the bottom of the track on the no-slip side, what is its angular speed when it is on the frictionless side of the track? suppose the ball is a solid sphere of radius 2.3cm and mass 0.14k..
A cart of mass 240 g is placed on a frictionless horizontal air track. A spring having a spring constant of 6.5 N/m is attached between the cart and the left end of the track. Find the period at which it oscillates
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A firm wants to determine the amount of frictional torque in their current line of grindstones, find the frictional torque exerted on the grindstone
two students stand poised to leap off a high dive structure into teh swimming pool below. Student B is twice as massive as student A. Find the magnitude of velocity of canoe relative to river.
A helicopter flies over the arctic ice pack at a constant altitude, towing an airborne 117-kg laser sensor which measures the thickness of the ice, find the tension in the cable towing the sensor
Calculate the angular velocity of an electron orbiting a proton in the hydrogen atom, given the radius of the orbit is 0.500x10-10 m
A rms AC voltage of 118 V at 60 Hz is applied to an RLC circuit with 11.8 mH inductor, 0.171 µF capacitor, and 43.1 ? resistor in series. What is the power consumed in the circuit
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