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Two capacitors, C1 = 25 µF and C2 = 4.0 µF, are connected in parallel and charged with a 110 V power supply.
(a) Calculate the total energy stored in two capacitors.
(b) What potential difference would be required across the same two capacitors connected in series in order that the combination store the same energy as in (a)?
A bicycle rim has a diameter of 0.65 m and a moment of inertia, What is the mass of the rim
A 7.40-nC charge is positioned 1.70 m from a 4.80-nC charge. (a) Find the magnitude of electrostatic force that one particle exerts on the other. (b) Is the force attractive or repulsive.
A certain freely falling object requires 1.56 s to travel the last 37.0 m before it hits the ground. From what height above the ground did it fall.
A non-uniform flask consists of a lower portion that is a circular cylinder 20 cm in radius and 20 cm high. The flask is filled with water. Calculate The total weight of the water in the flask
A patient swallows a radiopharmaceutical tagged with phosphorus-32 (3215P), a ? - emitter with a half-life of 14.3 days. What is the total energy deposited in the body during the 5.5 days
The maximum speed of a 2.6-kg mass attached to a spring is 0.74 m/s, and the maximum force exerted on the mass is 11 N. What is the force constant of the spring
In fair weather, over flat ground, there may be a downward electric field of 155 N/C. (a) Assume that the Earth is a conducting sphere with charge on its surface.
A diver springs upward with an initial speed of 2.19 m/s from a 3.0-m board. What is the highest point he reaches above the water
A person who is nearsighted has a far point of do = 4.8 m. Write an expression for the focal length of the glasses which will allow her to see distant objects clearly
She only uses the most accelerated depreciation method possible. The computer is the only personal property which she places in service during the year. Illustrate what is her total depreciation deduction for 2011?"
A proton is fired directly into a uniform electric field that is able to bring the charge momen- tarily to rest. How much work does the electric field do in stopping the proton
A string is clamped at both ends and tensioned until its fundamental vibration frequency is 95Hz. what is the lowest frequency at which it will vibrate
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