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Solve the given question:
Question: Assuming you have 6.24 x 1014 electrons and the surface area of the pail is 0.2m2,
Question 1: What is the charge density (C/m2)?
Please show steps to determine the charge density.
When blowing across a narrow mouth glass, the less wter in theglass the deeper the frequency heard, but if the top of the glessis rubbed to produce the less water, the higher frequency, why?
A 21.5 g bullet strikes a 0.650 kg block attached to a fixed horizontal spring whose spring stiffness constant is 7.30 x 10^3 N/m and sets it into vibration with an amplitude of 21.5 cm. What was the speed of bullet before impact if the bullet and bl..
Determine the total energy radiated by the Sun each day. The Stephan-Boltzmann constant is 5.6696 × 10-8 W/m2/K4, e = 1, and the radius of Sun is 6.96 × 108 m.
In order for the elevator to push us down, what directin must that force be in? Is it doing any pushing at that time and how then do the normal forces line up?
A potential difference of 100 mV exists between the inner and outer surfaces of a cell membrane. How much work is required to eject a positive sodium ion (Na+) from the interior of the cell
A small boat is headed for a harbor 30 km directly northwest of its current position when it is suddenly engulfed in heavy fog. The captain maintains a compass bearing of northwest and a speed of 9.8 km/h relative to the water. The fog lifts 3.0 h..
The distance to a star is approximately 7.60 x 1018 meter. If this star were to burn out today, in how many years would we see it disappear? Find how long does it take for sunlight to reach Mars
A 53 kg springboard diver leaps from a 2m high board by bouncing until she has increased the energy in the board to 1040 joules. What is the maximum height above the water of the diver during her dive
A cylindrical satellite is 1.4m in diameter, with its mass of 940 kg distributed approximately uniformly throughout its volume. The satellite is spinning at 10rpm about its axis but it should be stopped so that the space shuttle crew can make repairs..
A spring of spring constant k = 8.250 N/m is displaced form equilibrium by a distance of 0.1500 m. If the spring is strected form the displacement of 0.1500 m to a displacement of 0.3500 m, what is the change in spring potential energy between tho..
A photographer in a helicopter ascending vertically at a constant rate of 13.0m/s accidentally drops a camera out the window when the helicopter is 52.0m above the ground. How long will the camera take to reach the ground
the U.S. five-cent coin, the nickel, has a mass of 5.1 grams, a volume of 0.719 cm^3, and a total surface area of 8.54 cm^2. how much radiant energy per second comes from the nickel
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