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The electric potential difference between the ground and a cloud in a particular thunderstorm is 9.3 x 109 V. What is the magnitude of the change in the electric potential energy (in eV) of an electron that moves between the ground and the cloud?
An aquarium filled with water (n=1.33) has flat glass sides whose index of refraction is 1.52. What is the critical angle from the glass to the water
At three corners of a rectangle (length 11.8 cm, height 5.9 cm), the following charges are located: q1 (upper left corner), q2 (lower right corner), and q (lower left corner).
A. The rate of hydrogen fusion (proton-proton chain) near 10^7 K increases with temperature as T^5. If you raise the temperature of the hydrogen-burning core by 10 percent, how much does the hydrogen fusion energy increase?
A camera with a 70.0-mm lens can focus on objects located from 1.40 m to an infinite distance away by adjusting the distance between the lens and the film. how far does the lens move with respect to the film
A marble moving 1.48 m/s rolls off the top edge of a 125. cm high table. How far from the base of the table did it strike the floor
A cardinal (Richmondena cardinalis) of mass 3.80×10^?2 kg and a baseball of mass 0.145g have the same kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of the baseball's momentum?
You are practicing throwing darts in your dorm. You stand 2.89 m from the wall on which the board hangs. Calculate the speed of the dart when it hits the board
The resistance of a bagel toaster is 18 . To prepare a bagel, the toaster is operated for one minute from a 120-V outlet. How much energy is delivered to the toaster
A 0.05 kg bullet traveling at 600 m/s hits a 7.4 kg block of wood and stays in the wood. What is the velocity (speed) of the wood block immediately after the bullet hits it
A coil with inductance 370 mH is connected in series with a 220 ohm resistor, a 47.0 microF capacitor and a 25.0 V, 60.0 Hz AC source. Find the total impedance in this circuit
Explain, in detail, why the dust clings to the wheels. Be sure to describe forces by name and mention charging by induction, conducting, or rubbing, if it is appropriate. Also illustrate what atoms on Mars must be composed of.
For a research project, a student needs a solenoid thatproduces an interior magnetic field of 0.0300 T. Determine the number of layers of wire needed and the total length of the wire
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