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An uncharged capacitor and a resistor are connected in series to a source of emf. If emf = 6.00 V, C = 21.0 µF, and R = 100 ?, find the following.
(a) the time constant of the circuit.
_______ms
(b) the maximum charge on the capacitor.
_______µC
(c) the charge on the capacitor at a time equal to one time constant after the battery is connected.
________µC
A simple pendulum uses a steel wire as the "string." The length of this wire is 1.5 m at room temperature. What is the change in the period of the pendulum
An equilateral triangle has sides of lengthL. Charges of +Q,-2Q,and +3Q are placed at the vertices. Find the electric field midway between the two positive charges
A 275 ball is tied to a string. It is pulled to an angle of 4 and released to swing as a pendulum. A student with a stopwatch finds that 17 oscillations take 20.
Suppose a distant world with surface gravity of 6.64 m/s2 has an atmospheric pressure of 8.52 104 Pa at the surface. What force is exerted by the atmosphere on a disk-shaped region 2.00 m in radius at the surface of a methane ocean
A Nichrome wire is used as a heating element in a toaster. From the moment the toaster is first turned on to the moment the wire reaches it maximum temperature, What is the temperature change in the wire
A sample of a gas occupies 5.25 m^3 at an absolute pressure of 1.00atm & temp of 20 degrees C: calculate the pressure in the gas sample if the volume is held at 5.25 m^3 while the temp is lowered to negative 40 degrees C
A child sitting at the edge of a swimming pool sees a coin resting on the bottom of the pool. How deep is the pool at the location of the coin
What is the apparent weight of a cube of iron of volume 0.2 m3 when it is submerged in water? The density of iron is 7800 kg/m3
A hospital needs 1 millicurie of a radioactive pharmaceutical with a half-life of 12 hours. If delivery time takes 3 days, what activity must be shipped to the hospital by the supplier
In a science fiction movie, a 100 g base ball travelling with a speed of 60 m/s and an electron travelling at a speed of 1.2 x 10^7 m/s, determine the momentum of the base ball
An AC generator has 70 rectangular loops on its armature and total resistance of 9 ohms. Each loop is 12 cm long and 7 cm wide. what will be the maximum output voltage of this generator
The experiment done in lab is repeated, using a ball that has unknown mass m. You plot your data in the form of f?2 versus M/L, calculate the mass m of the ball
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