Plane perpendicular to a uniform magnetic field
An electron with kinetic energy 1.64 keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 23.0 cm. Find the speed of the electron, the magnetic field, the frequency of circling, and the period of motion.
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Find the average horizontal force exerted by the ground on the feet of a sprinter of mass 50.0 kg who accelerates from rest to a speed of 10.0 m/s in a time interval of 1.00 s.
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You have 36 years left until retirement and want to retire with $4.9 million. Your salary is paid annually, and you will receive $78,000 at the end of the current year. Your salary will increase at 4.6 percent per year, and you can earn a 12.6 per
Use this information to answer the next two questions. A researcher at a major hospital wishes to estimate the proportion of the adult population of the United States that has high blood pressure.
Specify the electric field strength E1,E2, and E3 in Newtons/Coulomb
The firm has hired an underwriter who arranges a full commitment underwriting and suggests an initial selling price of $25 a share with a 7 percent spread.
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