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Two electrodes are placed in a calcium chloride solution and a potential difference is maintained between them. If6.21016Ca2+ions and8.11016Cl? ions per second move in opposite directions through an imaginary area between the electrodes, what is the current in the solution?
mA
A positron is an antimatter particle identical in mass to an electron but with a positive charge, Calculate the energies of the three lowest states of positronium
Calculate the vertical component of its velocity by the time it hits the ground
A 11.20 kg object oscillates at the end of a vertical spring that has a spring constant of 2.10 104 N/m. The effect of air resistance is represented by the damping coefficient b = 3 N•s/m.
A 73cm long metal string under 35.0N tension has a linear mass density of 2.45x10^-4 kg/m. Find the frequencies of the first three harmonics
An alpha particle (q = 2e and m = 6.64e-27 kg) is accelerated from rest through a potential difference of 1.2e+5 volts. Find the speed of the particle after being accelerated
The fundamental frequency of a closed organ pipe is 264.9 Hz. What is the length of the open pipe
A high-speed photograph of a club hitting a golf ball is shown in the figure below. find the average force exerted on the ball by the club
The index of refraction of a certain liquid is 1.6. What is the critical angle for a light ray traveling in this liquid toward a flat layer of air above it
A solid, horizontal cylinder of mass 11.0 kg and radius 1.30 m rotates with an angular speed of 8.00 rad/s about a fixed vertical axis through its center. Determine the final angular speed of the system
An 9.2 mH inductor is connected to an ac generator (10.0 V rms, 650 Hz). Determine the peak value of the current supplied by the generator
An electric field E with an average magnitude of about 150 N/C points downward in the atmosphere near Earth's surface. What charge (both sign and magnitude) must be used
An electron has an initial velocity of 5.00 106 m/s in a uniform 3.00 105 N/C strength electric field. How far does the electron travel before coming to rest
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