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Suppose a cube of aluminum which is 1.00 cm on a side accumulates a net charge of +3.10 pC.
(a) What percentage of the electrons originally in the cube was removed?
(b) By what percentage has the mass of the cube decreased because of this removal?
Blood pressure in Argentinosaurus. If this long-necked, gigantic sauropod had a head height of 20.2 m and a heart height of 9.00 m, What was the blood pressure at the feet
William Tell is shooting at an apple that hangs on a tree. The apple is a horizontal distance of 20.0 m away and at a height of 4.00 m above the ground. what is the arrow's initial velocity
This question requires two answers. The isotope 12N undergoes radioactive decay to form 12C. What charged particle is emitted in the decay process
The quantity of charge q (in coulombs) that has passed through a surface of area 1.95 cm2 varies with time according to the equation q = 5t3 + 5t + 6, What is the value of the current density
Suppose that an electron trapped in a one-dimensional infinite well of width 322 pm is excited from its first excited state to the state with n = 5. What energy (in eV) must be transferred to the electron for this quantum jump
A positively charged light metal ball is suspended between two oppositely charged metal plates on an insulating thread as shown below. After being charged once, plates are disconnected from the battery. define the behavior of the ball.
A small particle has charge -2.30\mu C and mass 3.00×10^-4kg . It moves from point A, where the electric potential is V_A = 120V , to point B, What is its speed at point B
How much charge does the battery supply to each plate.
an object 10.0-kg slides upward on a slippery vertical wall a force of 60n at an angle of 60 degrees. determine the normal force exerted on the object by the wall
Uranium has two naturally occurring isotopes. U238 (atomic mass 238.0508 u) has a natural abundance of 99.275% and U235 (atomic mass 235.0439 u) has an abundance of 0.720%.
Calculate charges, current, potential difference.
A rifle shoots a 4.50g bullet out of its barrel. The bullet has a muzzle velocity of 965 m/s just as it leaves the barrel. For how long a time is the bullet in the barrel
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