Which of the following is true of visible light?
A) Wavelength increases from violet light to red light.
B) Wavelength decreases from violet light to red light.
C) Wavelength increases from red light to orange light.
D) Wavelength decreases from blue light to green light.
A
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An object of unknown weight is suspended as shown. The tension in rope 1 is 25 lb, and the tension in rope 2 is 31 lb. What is the weight of the suspended object?
A. 36 lb B. 33 lb C. 41 lb D. 39 lb E. 56 lb
The planet with the Great Red Spot is
a. Jupiter. b. Neptune. c. Uranus. d. Saturn. e. Mars.
You would be richest if your hunk of gold weighed 10 newtons
A) on the moon. B) on Earth. C) Actually it wouldn't make any difference.
A level pipe contains a nonviscous, incompressible fluid with a density 1200 kg/m3 that is flowing steadily. At one position within the pipe, the pressure is 300 kPa and the speed of the flow is 20.0 m/s
At another position, the pressure is 200 kPa. What is the speed of the flow at this second position? A) 567 m/s B) 16.2 m/s C) 32.9 m/s D) 23.8 m/s E) 186 m/s