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What is the potential 0.530×10–10 m from a proton (the average distance between the electron and proton in a hydrogen atom)?
A 100 turn coil has a radius of 3.2 centimeter and a resistance of 25Ω. Find what rate of change of the magnetic field strength is required if the magnetic field creates an angle of 20 degree with the normal to the plane of the coil
4m, 32 degrees east of north 57.3m, 36 degrees south of west 17.8m, straight south. calculate the resultant displacement vector
Ice has formed on a shallow pond, and a steady state has been reached, with the air above the ice at -4.1°C and the bottom of the pond at 4.0°C. how thick is the ice
Two satellites, C and D, are in different circular orbits about the earth. Determine the ratio of the periods of the satellites
A ball is thrown horizontally from the top of a tower 30m high and lands 15m from its base. What is the ball's initial speed
The earth orbits the sun once a year (3.16 x 10^7 s) in a nearlycircular orbit of radius 1.50 x 10^11 m. With respect to the sun,determine the magnitude of the earth’s centripetal acceleration.
An electron moves in a circular path perpendicular to a uniform magnetic field with a magnitude of 2.5 mT. If the speed of the electron is 1.6 x 107 m/s, calculate the time it takes to complete one revolution
In one such decay the electron and the neutrino are emitted at right angles to each other. The electron (mass 9.11x10^ -31 kg)has a speed of 3.8x10^ 7 m/s and the momentum of 7.6x10^ -24 kg m/s. What is the recoil speed of the nucleus?
A small sculpture made of brass (rbrass = 8470 kg/m^3) is believed to have a secret central cavity. What is the volume of the secret cavity
A painter wishes to know whether or not he can safely stand on a ladder. Determine the maximum mass of the painter for which the ladder will remain stable when he climbs a distance d =4.9 meter up the ladder
A hollow sphere of radius 0.35 m, with rotational inertia I = 0.022 kg m2 about a line through its center ofmass, rolls without slipping up a surface inclinedat 32° to the horizontal. Ata certain initial position, the sphere's total kinetic energy..
Consider a wet roadway banked as in Example 5.24, where thereis a coefficient of static friction of 0.30 and a coefficient ofkinetic friction of 0.25 between the tires and the roadway. What is the minimum speed the automobile can have before slidin..
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