Velocity Addition: A person in a rocket ship traveling past the earth at a speed of 0.500c fires a laser gun in the forward direction. With what speed does an observer on Earth measure for the light pulse?
Fill in the blank(s) with the appropriate word(s).
c = 3.00 × 108 m/s
You might also like to view...
Impedance: A 10-? resistor is connected in series with a 20-?F capacitor. What is the impedance at 1.0 kHz?
A. 8.0 ? B. 10 ? C. 13 ? D. 15 ?
Fresh water enters the ocean by runoff from streams and rivers,
A) precipitation of rain over the ocean, and evaporation of coastal waters. B) evaporation of surface water, and melting of glacial ice. C) precipitation, and melting of glacial ice. D) none of these
The current through a piece of lab equipment must be limited to 2.75 A when it is run by a 120-V dc power supply. What must be the resistance of this equipment?
What will be an ideal response?
If a 9.0-V battery, with negligible internal resistance, and an 27-W resistor are connected in series, what is the amount of electrical energy transformed to heat per coulomb of charge that flows through the circuit?
a. 0.50 J c. 3.0 J b. 9.0 J d. 72 J