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A metallic sphere initially has a charge of +8.60 nC. A negatively charged rod has a charge of -6.0 nC. When the rod touches the sphere, 8.60 109 electrons are transferred off of the sphere. What charge remains on the sphere after this transfer?
Calculate the energy of the electron in the ground state of triple ionized beryllium, which has an atomic number Z = 4
A 490 kg cannon fires a 9.0 kg cannonball with a speed of 200 m/s relative to the muzzle. what is the speed of the cannonball relative to the earth
A model rocket fired vertically from the ground ascends with avertical acceleration of 3.2m/s2 for 6.0 s. Its fuel isthen exhausted, so it continues upward as a free-fall particle andthen falls back down.
An analysis of each gas and their mole percent from the analysis of a flue gas is given below: Determine the average molecular weight of the flue gas.
A series R–L–C circuit of R= 210ohms , L= 0.950H and C= 2.25uF carries an rms current of 0.270A with a frequency of 100Hz. What is the average rate at which electrical energy is converted to heat in the resistor? P(R)= W What average power is deliver..
The average value of the squared speed does not equal the square of the average speed. find the average value of the squared speed
Given the minimum kinetic energy of an alpha particle in nucleus= 0.01304 Mev or 2.09*10^-15 J compare this to the kinetic energy of an emitted alpha particle (5 MeV or 8.010883 *10-13 J), is it possible the alpha particle could have existed inside t..
A solid cylinder is mounted above the ground with its axis of rotation oriented horizontally. What is the angular acceleration of the cylinder
Suppose a collision produces a pair of particles, an electron and a positron (antielectron). the two are both initially traveling at a velocity of 8.0E4i m/s. what is the electric force on the electron? (neglect the electric force due to the positr..
A more realistic car would cause the wheels to spin in a manner that would result in the ground pushing it forward with a constant force (in contrast to the constant power in Part A). If such a sports car went from zero to 30.0 in time 1.10 , how ..
The figure shows a photo of a swing ride at an amusement park. The structure consists of a horizontal, rotating, What is the speed of each seat
A sample containing beryllium (atomic mass 9 u), aluminum (27 u), and an unknown element is placed in a mass spectrometer. What is the mass of the unknown element
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