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The two positively charged protons in a helium nucleus are separated with about 2.0*10^-15m. Use coulombs law to find the electric force or repulsion among the two protons. The result will give you an indication of the strength of the strong nuclear force.
The water in a deep underground well is used as the cold reservoir of a Carnot heat pump that maintains the temperature of a house at 299 K. Determine the temperature of the well water
A delivery truck travels 32 blocks north, 16 blocks east, and 26 blocks south. Assume the blocks are equal length. Illustrate what is the magnitude of its final displacement from the origin?
an automobile and train move together along parallel paths at 20.7 ms.the automobile then undergoes a uniform
A certain brand of hotdog cooker works by applying a potential difference of 142 V across opposite ends of a hot dog and allowing it to cook by means of the thermal energy produced.How much electrical energy is transferred to thermal energy.
In addition to dark matter cosmologists have proposed dark energy. The reason for this was the discovery of: A) slowing down of the expansion of the universe B) cosmic background radiation C) acceleration of the expansion of the universe D) gravitati..
IF Earth's orbit were suddenly to become much more eccentric. keeping orbital semimajor axis as is, fixed at 1 AU, but let's imagine shifting both the Earth's perihelion and aphelion points by 0.9 AU, so that at perihelion we were only 0.1 AU from th..
For a damped oscillator with a mass of 350 g, a spring constant 59.00 N/m and a damping coefficient of 89 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 30 cycles.
An object is 15 cm in front of a diverging lens that has a focal length of -8.7 cm. How far in front of the lens should the object be placed
a 0.45 kg mass vibrates according to the equation x 0.49 cos 8.45t where x is in meters and t is in seconds.a
sheena can row a boat at 2.95 mih in still water. she needs to cross a river that is 1.17 mi wide with a current
A magnetic field is perpendicular to the plane of a single-turncircular coil. The magnitude of the field is changing, so that anemf of 0.82 V and a current of3.0 A are induced in the coil.
for water nred1.331 and nblue1.340. what are the underwater angles of refraction for the red and blue components of a
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