Suppose an object whose mass is m is moving with a speed of 0.8c. Which is the correct expression for its kinetic energy?
a. K = mv2/2
b. K = ?mc2
c. K = (? ? 1)mc2
d. Answers a and c are both correct.
c
Physics & Space Science
You might also like to view...
A lightbulb is connected to a 120 V(rms), 60 Hz source. How many times per second does the current reverse directions?
A. 60 B. 130 C. 120 D. 30
Physics & Space Science
One method of measuring the distance between Earth and the Sun is by bouncing radar waves off the Sun.
Answer the following statement true (T) or false (F)
Physics & Space Science
High-precision observations by the Hubble Space Telescope have revealed what as-yet unexplained phenomenon in globular clusters?
What will be an ideal response?
Physics & Space Science
The volume of water displaced by a floating 20-ton boat is
A) 20 cubic meters. B) the volume of 20 tons of water. C) the volume of the boat. D) depends on the shape of the ship's hull. E) none of the above
Physics & Space Science