What would be the equivalent capacitance
Two capacitors C1 and C2 are connected in series to a 9V battery. The magnitude of the charge on each plate of C1 is 7.5μC. The value of C1 is 2μF. What would be the equivalent capacitance if the two capacitors were wired in parallel?
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A beaker with 185 of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 . A student adds 4.80 of a 0.350 solution to the beaker.
Find the minimum sample size needed, using a prior study that found that 25% of the respondents said they support abolishing the penny. (Round to the nearest whole number)
A 40.0 cm diameter circular loop is rotated in a uniform electric field until the position of maximum electric flux is found. The flux in this position is measured to be 5.20*10^5 N*m/C. What is the magnitude of the electric field?
Use the normal distribution of SAT critical reading scores for which the mean is 511 and the standard deviation is 115. Assume the variable x is normally distributed.
Determine: the velocity of the molten metal at the base of the sprue, the volume flow rate, the time required to fill the mold, the Reynolds number in the runner, and whether or not the flow in the runner is turbulent.
A 296 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal.
In a recent year, scores on a standardized test for high school students with a 3.50 to 4.00 grade point average were normally distributed, with a mean of 38.7 and a standard deviation of 1.6.
The electrons in the beam were accelerated by a voltage of 3.0 kV; the beam was then steered to different points on the screen by coils of wire that produced a magnetic field of up to 0.50 T. What is the speed of electrons in the beam?
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