*37.25. Tell It to the Judge. (a) How fast must you be spproach- ing a red traffic light (A = 675 nm) for it to appear yellow (λ = 575 nm)? Express your answer in terms of the speed of light. (b) If you used this as a reason not to get a ticket for running a red light, how much of a fine would you get for speeding? Assume that the fine is $1.00 for each kilometer per hour that your speed exceeds the posted limit of 90 km/h.
*37.25. Tell It to the Judge. (a) How fast must you be spproach- ing a red traffic light (A = 675 nm) for it to appear yellow (λ = 575 nm)? Express your answer in terms of the speed of light. (b) If you used this as a reason not to get a ticket for running a red light, how much of a fine would you get for speeding? Assume that the fine is $1.00 for each kilometer per hour that your speed exceeds the posted limit of 90 km/h.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Solve the following. Show the solution.
MODERN PHYSICS.
Transcribed Image Text:*37.25. Tell It to the Judge. (a) How fast must you be spproach-
ing a red traffic light (λ = 675 nm) for it to appear yellow
(λ = 575 nm)? Express your answer in terms of the speed of
light. (b) If you used this as a reason not to get a ticket for running
a red light, how much of a fine would you get for speeding?
Assume that the fine is $1.00 for each kilometer per hour that your
speed exceeds the posted limit of 90 km/h.
Transcribed Image Text:37.15. An observer in frame S' is moving to the right (+x-direction)
at speed u = 0.600c away from a stationary observer in frame S.
The observer in S' measures the speed v' of a particle moving
to the right away from her. What speed u does the observer in
S measure for the particle if (a) v' = 0.400c; (b) v' = 0.900c;
(c) v' = 0.990c?
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