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In a defribrillator, which delivers the electric energy stored in the 175x10^-6F capacitor to restore the heart's regular beating, the potential difference is 2240V.
a. what is the charge on each plate of the fully charged capacitor?
b. find the energy stored in the charged-up defribrillator?
A Cassegrain astronomical telescope uses two mirrors to form the image. Compute the radius of curvature of a secondary mirror
How much would an 80.0kg person weigh) on mars where an acceleration of gravity is 3.93m/s^2 and (b) on earth's moon where the acceleration of gravity is 1.63m/s^2.
Consider two inertial reference frames. while an observer in each frame measures the following quantities, which measurement made by two observers must yield the same results.
A proton is released from rest at point A, which is located next to the positive plate of a parallel plate capacitor. Determine the radius of the circular path on which the proton moves in the magnetic field
an electron, proton and an alfa particle, accelerated trough the same potential difference, enter a region of uniform magnetiv field, what are the radii of the electron and alfa particle path
A firefighter at a distance d from a burning building directs a stream of water from a fire hose at angle θi above the horizontal as shown in Figure. If the initial speed of the stream is vi. At what height h does the water strike the building?
Two particles having charges of 0.520 nC and 18.7 nC are separated by a distance of 1.10 m, Where would the net electric field be zero if one of the charges were negative
An object is found to have a weight in air of 500N. It is then tied to a string connected to a balance and immersed in water (density of water is 1000 kg/m3). The scale now reads 450 N. at last the object is immersed in oil and is found to have a ..
Bob connects a lamp of 34 Ohms resistance across a car battery of 12 volts. what would be the power dissipated by the lamp
Find the resultant magnetic force exerted by the long wire on the square current loop in the figure below if I1 = 8.72 A and I2 = 4.12 A
A nuclear power plant produces an average of 4.90 × 103 MW of power during a year of operation. Find the corresponding change in mass of reactor fuel
A ball of radius 37 cm is rolling down an inclined plane with no slipping. What is the balls angular acceleration at the bottom of the inclined plane
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