A sprinter named Ben has challenged a beam of light to a race in the 100-m dash. The race is held in a stadium full of spectators. At the start signal, a laser beam is turned on at the start line, pointed down the track. At the same instant, Ben bursts out of the starting blocks at 99% of the speed of light (0.99c). According to Ben, what happens?
A) The light beam moves out ahead of him at the full speed of light, winning the race easily.
B) The light beam gradually pulls ahead of him and wins the race because it is going 1% of the speed of light faster than him.
C) The light beam instantly finishes the race, before Ben even has a chance to start.
D) Ben wins the race and becomes a hero.
A) The light beam moves out ahead of him at the full speed of light, winning the race easily.
You might also like to view...
The longest day (daylight) of the year for the Northern Hemisphere occurs at the time of the
a. autumnal equinox. b. vernal equinox. c. winter solstice. d. summer solstice.
Magnetic Field of a Long Wire: The magnitude of the magnetic field that a long and extremely thin current-carrying wire produces at a distance of 3.0 µm from the center of the wire is 2.0 × 10-3 T. How much current is flowing through the wire? (?0 = 4? × 10-7 T ? m/A)
A. 30 mA B. 190 mA C. 19 mA D. 380 mA
A bound universe will ultimately end in a "cold death."
Indicate whether the statement is true or false
Which of the following colors undergoes the greatest REFRACTION when passing from air into glass?
A) yellow B) red C) blue D) orange E) green