Kinetic Energy: How much energy would be required to accelerate a 77-kg professor from rest to 90% the speed of light? (c = 3.0 × 108 m/s)
A. 1.6 × 1019 J
B. 2.1 × 1019 J
C. 9.0 × 1019 J
D. 2.8 × 1019 J
E. 3.5 × 1019 J
Answer: C
You might also like to view...
At which is the potential smallest?
A. A B. B C. C D. D E. E F. None of the labeled points
If the mass of the Earth decreased by a factor of two with no change in radius, your weight would
a. increase by a factor of 4. b. increase by a factor of 2. c. stay the same. d. decrease by a factor of 2. e. decrease by a factor of 4.
Magnetic field strength about a magnet is strongest where magnetic field lines are
A) closer together. B) straightest. C) most curved. D) more spread.
The deviation from the way a compass needle points from the true north direction is the
a. greenhouse effect. b. magnetic inclination. c. magnetic declination. d. magnetic resonance effect. e. none of the above