Apolice car on the side of the road (at rest) uses a radar gun to catch speeders as they approach it. the frequency the radar gun emits is 8 x 10^9 hz and the speed limit is 65 mi/hr. what is the difference in frequency of the emitted and returned radar wave? (a positive answer means the returned wave has a greater frequency than the emitted wave; a negative answer means the returned wave has a smaller frequency than the emitted wave.)
Answers: 1
Physics, 22.06.2019 10:30
Avery long solenoid of inner radius 2.75 cm creates an oscillating magnetic field of the form = for this solenoid, =0.00425 t and =319 rad/s. (a)what is the maximum value of the induced electric field at a perpendicular distance 1.45 cm from the axis of the solenoid? (b) what is the maximum value of the inducted electric field at a point 5.85 cm perpendicular from the axis of the solenoid?
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Physics, 22.06.2019 16:00
Which composition of water moves to begin a deepwater current?
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Physics, 22.06.2019 17:00
Amajor difference radio waves, visible light, and gamma rays is the of the photons, which results in different photon frequencies and wavelengths
Answers: 1
Apolice car on the side of the road (at rest) uses a radar gun to catch speeders as they approach it...
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