An airplane needs to reach a forward velocity of to take off. On a runway, what is the minimum uniform acceleration necessary for the plane to take flight if it starts from rest?
A) 0.79 m/s2
B) 0.87 m/s2
C) 0.95 m/s2
D) 1.0 m/s2
A
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A single-slit diffraction pattern is formed on a distant screen. Assuming the angles involved are small, by what factor will the width of the central bright spot on the screen change if the wavelength is doubled?
A) It will be cut to one-quarter its original size. B) It will be cut in half. C) It will double. D) It will become four times as large. E) It will become eight times as large.
A certain kind of glass has nblue = 1.650 for blue light and nred = 1.610 for red light. If a beam of white light (containing all colors) is incident at an angle of 60.0°, what is the angle between the red and blue light inside the glass?
a. 0.45.0° c. 1.81° b. 0.22.3° d. 0.882°
When green light shines on a cyan shirt, the color ________ is seen.
Fill in the blank(s) with the appropriate word(s).
Another term for a spreading center is
A) convergent boundary. B) divergent boundary. C) transform fault boundary. D) none of the above.