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The hydrogen atom consists of one electron and one proton. In the Bohr model of the hydrogen atom, the electron orbits the proton in a circular orbit of radius 0.529 ×1010 meter.
Find the electric potential due to proton at electron orbit?
A gas, while expanding under isobaric conditions, does 458 J of work. The pressure of the gas is 1.65E+5 Pa, and its initial volume is 1.37E-3 m3. What is the final volume of the gas?
Suppose that the amount of heat removed when 2.8 kg of water freezes at 0.0 oC were removed from ethyl alcohol at its freezing/melting point of -114.4 oC. How many kilograms of ethyl alcohol would freeze
Calculate P necessary to just start opening the 2 m wide gate.
A lawn mower has a flat, rod-shaped steel blade that rotates about its center. What is the rotational energy of the blade at its operating angular speed of 3480 rpm
A baseball player decides to keep going past second base and try for third base. If the player comes to rest at third base, how much work was done on the player by friction
A block of aluminum weight 140.0 g is cooled from 98.4 degrees celcius to 62.2 degrees celcius with the release of 1080 J of heat. From this data calculate the specific heat of aluminum
A race vehicle accelerates uniformly as it leaves the pit area, going from rest to 330 kilometer per hour in a semi circular arc with a radius of 200 meter. Find the radial acceleration of the car at this time
A circular surface with a radius of .057 m is exposed to a uniform external electric field of magnitude 1.44 x ten to the 4th N/C. The electric flux through the surface is 78N m2/C. What is the angle between the direction of the electric field and th..
in 2010 the mens record for the 26.22 miles boston marathon was 2 hours 5 minutes and 52 seconds. what was the average
an electron starts from rest 0.05m from the centre of a uniformly charged sphere of radius 0.03m. if the sphere carries
Four spheres are arranged as in the figure in the corners of a 2cm-side square, How much work is required to move a tiny charge of 10nC from C to A
A force applied to an object of mass m1 produces an acceleration of 3.00 m/s2. find its acceleration under the action of the force
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