A 6.00-m long rope is under a tension of 600 N. Waves travel along this rope at 40.0 m/s. What is the mass of the rope?
A) 1.00 kg
B) 1.25 kg
C) 2.25 kg
D) 2.50 kg
E) 1.12 kg
C
Physics & Space Science
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A monochromatic light wave in vacuum has frequency f0 and wavelength ?0 . Which of the following are also possible frequency and wavelength combinations for a monochromatic light wave in vacuum?
a. 2f0, 2?0 b. f0/2, ?0/2 c. 2f0, ?0/2 d. None of the above are possible.
Physics & Space Science
A car accelerates from to at a constant rate of How far does it travel while accelerating?
A) 69 m B) 207 m C) 41 m D) 117 m
Physics & Space Science
Power: A toaster is rated at 800 W when operating at 120 V dc. What is the resistance of its heating element?
A. 16 ? B. 18 ? C. 6.7 ? D. 0.15 ?
Physics & Space Science
The condition 2d sin(?) = n? for X-ray diffraction maxima is attributed to
A) Young. B) Rayleigh. C) Bragg. D) Brewster. E) Land.
Physics & Space Science