Physics, 07.06.2020 00:04 lexysmith1722
A duck flying horizontally due north at 10.7 m/s passes over East Lansing, where the vertical component of the Earth's magnetic field is 4.09×10-5 T (pointing down, towards the Earth). The duck has a positive charge of 6.47×10-8 C. What is the magnitude of the magnetic force acting on the duck?
Answers: 3
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Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?
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Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little
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Engines for propeller-driven aircraft are limited in their maximum rotational speed by the fact that the tip speed of the propeller must not approach the speed of sound in air (mach i). taking 6 ft as a typical diameter for a propeller of a light airplane and 1100 fils as the speed of sound, find the upper limit on the rpm (revolutions per minute) of the propeller shaft.
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The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656(red) and 486 (blue). light from a hydrogen lamp illuminates a diffraction grating with 500 lines per mm, and the light is observed on a screen 1.50 behind the grating. what is the distance between the first-order red and blue fringes?
Answers: 3
A duck flying horizontally due north at 10.7 m/s passes over East Lansing, where the vertical compon...
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