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1. It you were to take an older style camera flash (non-LED) apart you would find a capacitor with a capacitance of around loo microFarads. Estimate the resistances of the both the charging and discharging circuits. Why do these circuits need to be different?
Hint: start by estimating the time constant for each case.
On mountainous downhill roads, escape routes are sometimes placed to the side of the road for trucks whose brakes might fail. Calculate the horizontal and vertical components of the acceleration of a truck
A 0.464-nm photon collides with a stationary electron. After the collision, the electron moves forward and the photon recoils backwards. Find the momentum of the electron
A bug is on the edge of a rotating record player moving toward a light positioned along the edge of record player as well. Determine the accelerations acting on the bug
Larry is standing at the edge of a vertical cliff 210m about the sea. how far has the rock traveled horizontally when it hits the water
During normal beating, the heart creates a maximum 3.50 mV potential across 0.290 m of a person's chest, creating a 1.00 Hz electromagnetic wave. What is the wavelength of the electromagnetic wave
At what distance into the classically forbidden region has the amplitude of the wave function decreased to 25.0% of its value at the edge of the potential well
A cylindrical air duct in an air conditioning system has a lengthof 5.5 m and a radius of 7.2 x 10^-2 m. A fan forces air ( n = 1.8x 10^-5 Pa·s) through the duct, such that the air in a room(volume = 280 m^3) is replenished every ten minutes. Dete..
A capacitor is constructed of two concentric conducting cylindrical sheels. The radius of the inner cylindrical shell is2.35 x 10-3 m, and that of the outer shell is 2.53 x10-3 m.
Objects of equal mass are oscillating up and down in simple harmonic motion on two different vertical springs. The spring constant of spring 1 is 165 N/m. The motion of the object on spring 1 has twice the amplitude as the motion of the object on spr..
a parallel-plate capacitor having plates 5.8 apart is connected across the terminals of a 12 battery. describe the
The pilot of an aircraft wishes to fly due west in a 33.10 km/h wind blowing toward the south. The speed of the aircraft in the absence of a wind is 190 km/h what must its speed relative to the ground be.
A light bulb is wired in series with a 134-Ω resistor, and they are connected across a120-V source. The power delivered to the light bulb is 22.3 W. What are the two possible resistances of the light bulb
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