The speed of FM waves will be observed to be c = 2.9979 × 10^8 m/s when the antenna emitting the waves is
a. at rest relative to the receiving antenna.
b. moving to the right of the detecting antenna at 0.5c.
c. moving to the left of the detecting antenna at 0.5c.
d. moving as described in (a), (b) or (c) above.
e. moving at 2.9979 × 10^8 m/s.
d
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Indicate whether the statement is true or false
The colors dispersed by a prism are due to different light
A) speeds inside the prism. B) directions inside the prism. C) energies inside the prism. D) none of the above
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a. has the same kinetic energy that the system had before the collision. b. has more kinetic energy than the system had before the collision. c. has no kinetic energy. d. has less momentum than the system had before the collision.
An object of radius R and moment of inertia I rolls down an incline of height H after starting from rest. Its total kinetic energy at the bottom of the incline:
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