Including relativistic effects, doubling the speed of a object:
a. has no effect on its momentum.
c. less than doubles its momentum.
b. more than doubles its momentum.
d. doubles its momentum.
B
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Three disks have the same mass and the same total kinetic energy. Disk #1 has radius R, disk #2 has radius 2R, and disk #3 has radius 3R. Which one has the highest vtranslational?
a. disk #1 b. disk #2 c. disk #3 d. The all have the same vtranslational.
If a piece of ribbon were tied to a stretched string carrying a transverse wave, how would the ribbon be observed to oscillate?
a. Perpendicular to the wave motion b. Parallel to the wave motion c. Neither (A) nor (B) d. Both (A) and (B)
The singularity of a black hole is
A) where general relativity predicts the density to be zero. B) where the current understanding of gravity is incomplete. C) the point at which nothing, not even light, can escape. D) the region between the Schwarzschild Radius and the event horizon.
A charged particle moves in a region of uniform magnetic field along a helical path (radius = 5.0 cm, pitch = 12 cm, period = 5.0 ms). What is the speed of this particle as it moves along this path?
A. 67 m/s B. 26 m/s C. 63 m/s D. 24 m/s E. 87 m/s