Your car can accelerate at 8.0 m/s2, and there are 1609 m in one mile. So you can go from zero to 60 mi/hr in about
A. 1.34 s.
B. 0.37 s.
C. 2.74 s.
D. 3.35 s.
Answer: D
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A. accelerating in the direction of motion. B. accelerating toward the center of the circle. C. accelerating away from the center of the circle. D. not accelerating because its speed is constant.
The flight of a blimp best illustrates
A) Archimedes' principle. B) Pascal's principle. C) Bernoulli's principle. D) Boyle's law.
Why would it be impossible to obtain interference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of the light used?
What will be an ideal response?
A ball is thrown vertically upwards at 19.0 m/s. For its complete trip (up and back down to the starting position), its average velocity is:
a. 19.0 m/s. b. 9.5 m/s. c. 4.8 m/s. d. 14.3 m/s e. not given.