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A proton is fired from far away toward the nucleus of a mercury atom. Mercury is element number 80, and the diameter of the nucleus is 14.0 . If the proton is fired at a speed of 5.0×107 , what is its closest approach to the surface of the nucleus? Assume the nucleus remains at rest.
A spring Oscillator is desgined with a mass of .568 kg. It opperates while immersed in a damping fluid,Find the required damping constant for the system
A block of mass 4.6 kg slides 15 m from rest down an inclined plane making an angle of 28 o with the horizontal. what is the retarding force due to friction
question1two plates detached by a distance 16.8 mm are charged to a potential dissimilarity of 7.25 volts. a constant
Two lenses, separated by a distance of 22.1 cm, are used in combination. The first lens has a focal length of +26.0 cm; the second has a focal length of -15.0 cm. What is the final image distances relative to the second lens
Four identical cells, each of emf 2V are joined in parallel providing supply of current to external circuit consisting of two 15 ohm resistors joined in parallel, Calculate the internal resistance of each cell
Molybdenum has a work function of 4.2 eV. If light of frequency 2.0 x 10^15 Hz strikes the surface of molybdenum
The planet mars hass a mass of 6.42x10^23kg and a radius of 3396km. What escape speed is needed for a space ship leaving the surface of Mars
question1a constant force of magnitude 82 n is applied to a 3 kg shoe box at angle 53 degrees causing the box to move
With what minimum speed must you toss a 140 g ball straight up to hit the 14 m -high roof of the gymnasium if you release the ball 1.7 m above the ground, With what speed does the ball hit the ground
A certain species of ionized atoms produces an emission line spectrum according to the Bohr model, Find the next-to-the-longest wavelength in the series of lines
An 20cm--long bicycle crank arm, with a pedal at one end, is attached to a 25cm--diameter sprocket, What is the tangential acceleration of the pedal
q. two perpendicular long straight wires both of which lie in the plane of the paper. the current in each of the wires
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