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The uncertainty in an electron's position is 0.18 nm. What is the minimum uncertainty delta p in its momentum? What is the kinetic energy of an electron whose momentum is equal to this uncertainty?
A 2.0-kg solid cylinder of radius 0.5 m rotates at a rate of 40 rad/s about its cylindrical axis. What power is required to bring the cylinder to rest in 10 s
on planet tehar the free-fall acceleration is the same as that on earth but there is also a strong downward electric
A charge +q is located at the origin, while an identical charge is located on the x axis at x = +0.50 m, Where should the third charge be located
A seagull flies at a speed of 10m/s directly into the wind. Knowing that it takes the bird 25 min to travel 8km relative to the earth, find the velocity of the wind. How long will it take the seagull to travel a distance of 12km with the wind?
One mole of gas obeys van der waal's equation of state and allowed to expand isothermally from v1 to v2. Derive equation for the change in Gibbs free energy for such expansion.
Assume that the sun radiates as a blackbody , if Lp=5000A for the solar spectrum, what is the surface temperature of the sun
A capacitor consists of a set of two parallel plates of area A separated by a distance d. find the magnitude of the charge on the plates
The Earth's orbit has a radius of 1.52·1011 m, and that of Mercury has a radius of 6.98·1010 m. What is the length of a vector from Earth to Mercury
A person whose mass is 72 kg sits on a piston of a hydraulic lift. The radius of this piston is 0.18 m, What is the mass of a puppy
When operated on a household 110.0-V line, typical hair dryers draw about 1550 W of power, What is the current in the dryer and What is the resistance of the dryer
A pendulum consists of a uniform disk with radius 10 cm and mass 400 g attached to a uniform rod with length 500 mm and mass 285 g (see the figure). A) Calculate the rotational inertia of the pendulum about the pivot. B) What is the distance between ..
during their experiment the lab partners conducted several trials to determine the value of acceleration of a coffee
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