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A 15µ F capacitor is joined in series with a 35µ F capacitor and a 12 Volts battery.
What is the potential difference across the first capacitor?
What is the potential difference across the second capacitor?
What is the charge on the first capacitor?
How much energy is stored by the first capacitor?
How much energy is stored by the second capacitor?
How many cm/s2 of acceleration should correspond to 1 unit of ramp slope if: •a graph of number of paper clips needed to maintain equilibrium vs. what would be the acceleration of the cart
A laser used in a rock concert emits a red light with a wavelength of 721 nm. Calculate the frequency of the light
The moon's diameter is 3.48 × 106 m, and its mean distance from the earth is 3.85 × 108 m. Find the diameter of the moon's image on the slide film
A block with mass m =7.5 kg is hung from a vertical spring. When the mass hangs in equilibrium, the spring stretches x = 0.25 m. what is the magnitude of the net force on the block
Find out the acceleration of the sled and child
a glass tube is attached to a water pipe,if the water pressure at the bottom of the tube is 120kpa and the local atmospheric pressure is 99kpa. determine how high the water will rise in the tube
he wavelength of an electromagnetic wave inside water (nwater = 1.33) is ? = 660 nm. find the wavelength of the same electromagnetic wave
At one instant a bicyclist is 25m due east of a park's flagpole, going due south with a speed of 8 m/s. Then, 11 s later, the cyclist is 65m due north of flagpole, going due east with a speed of 10 m/s.
A little study of energy conservation tells us that the gain in KE of the ball as it rolls down the ramp is equal to the decrease in PE as the ball loses height-in short, APE = AKE. Why were we able to bypass KE in our analysis here
A rock is dropped from a high tower and falls freely under the influence of gravity. Which one of the following statements concerning the rock as it falls is true? Neglect the effects of air resistance.
If John Glenn weighed 640 N on the Earth's surface, i) how much would be having weighed if his Mercury spacecraft had (hypothetically) remained at twice the distance from the center of the earth? ii) Why is it said that an astronaut is never truly..
In the Bohr model of the hydrogen atom, an electron (mass m=9.1×10?31kg) orbits a proton at a distance of 5.3×10?11m. How many revolutions per second does the electron make
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