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4.00 x 105 Joule of work is done on a 984 kilogram car while it accelerates from 100 meter per second to some final velocity. Evaluate what is the final velocity.
The top plate is illuminated by monochromatic light of wavelength 544.1 nm. Determine number of dark parallel bands crossing the top plate (including the dark band at zero thickness along the edge of contact between the two plates).
a physicist has developed a device that generates a beam of alpha particles each of which is a helium nucleus
Two identical capacitors store different amounts of energy: capacitor A stores 3.3 10-3 J, and capacitor B stores 2.5 10-4 J. Find the voltage across the plates of capacitor A
two guns a and b located at xa 0 and xb 1.5 km fire at an approaching rocket. gun a fires at t 0 gun b fires at t
two points charges of 20.0 uc and -8.00 uc are separated by the distance of 20.0 cm. what is the magnitude of electric
An asteroid is moving along a straight line. A force acts alongthe displacement of the asteroid and slows it down. The asteroidhas a mass of 5.0×104 kg, and theforce causes its speed to change from 7800 to 4500m/s.
The hot reservoir of a heat engine is steam at 100?C while the cold reservoir is ice at 0?C. In 1.2hrof operation, 11kg of steam condenses, What is the power output of the heat engine
Two satellites, C and D, are in different circular orbits about the earth. Determine the ratio of the periods of the satellites
A parallel plate capacitor is attached to a battery that supplies a constant voltage. What happens to the energy stored in the capacitor
A 4.0 kg mass is connected by a light cord to a 3.0kg mass ona smooth surface. The pulley rotates about a frictionlessaxle and has a moment of inertia of 0.5kg m^2 and a radius of.30m. Assuming that the cord does not slip on the pulley,
If two people were 15km apart, how long would it take light to make the round trip? How does this time compare with reaction times of 0.2s
In Rutherfords famous scattering experiments thats led to the planetary model of the atom, How close does the alpha particle get to the gold nucleus before turning around
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