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An uncharged capacitor and a resistor are connected in series to a battery, as shown in the figure above. If V = 14.0 V, C = 5.30 µF, and R = 7.90 x10^5 ?, find the following:
(a) the time constant of the circuit
(b) the maximum charge on the capacitor
(c) the charge on the capacitor after 5.60 s
(d) the potential difference across the resistor after 5.60 s
(e) the current in the resistor at that time
The Saturn's ring has a diameter of about 2.00x10^5km and the distance between the Earth and the Saturn is 1.40x10^9km. Based on your calculation on resolution power, will the ring be visible in telescope.
Five cubic feet of a gas at 90 pisg and 75 degree F are compressed to a volume of 2 cubic feet and the heated to a temperature of 250 degree F illustarte what is the new pressure? (General Ideal Gas Law)
The temperature of the glass surface of a 30 W light bulb is 75°C when the room temperature is 10°C. Estimate the temperature of a 150 W light bulb with a glass bulb the same size. Consider only radiation, and assume that 90% of energy is emitted as ..
The beam emerging from a ruby laser (wavelength 694.3 nm) passes through a circular aperture 4.7 mm in diameter. If the spread of the beam is limited only by diffraction, what is the angular speed of the beam
A person carries a long pole of mass 20 kg and length 3.4 m at the angle of 60 degrees. Find the magnitude of the torque on the pole due to gravity.
A Venturi meter measures fluid speed in a pipe. A constriction (of cross-sectional area A2) is put in a pipe of normal cross-sectional area A1 (A1 = 2A2). Find the ratio of the flow speeds
Suppose 28.5 kg of 87.5°C water is placed in contact with 28.5 kg of 11°C water. What is the change in heat (in J) of the hot water
An object of mass 1.0kg is attached to a spring with spring constant 15 N/m. what is the amplitude of oscillation
what is the mass of helium in the balloon.
Two carts on a frictionless air track are made to travel toward each other. As they collide they stick together. if the cart on the left has a mass of 250 grams and is moving at 0.2 meters per second to the right.
Let us use the uncertainty principle to (very roughly) estimate the size of a hydro- gen atom. Picture the hydrogen atom as an electron orbiting a proton at close to the speed of light.
Conisder the Earths magnetic field (53 uT) at a point near the equator where the field is horizontal, Calculate the velocity, V of this proton
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