An electron (m = 9.11 × 10^?31 kg) has a speed of 0.50 c. Determine the difference between its relativistic kinetic energy and the kinetic energy calculated without considering relativity
a. 3.0 × 10^?15 J
b. 2.0 × 10^?15 J
c. 1.5 × 10^?15 J
d. 2.4 × 10^?15 J
e. 1.8 × 10^?15 J
d
You might also like to view...
Which hypothesis suggested that the Moon formed elsewhere and was later caught by Earth's gravity?
a. fission hypothesis b. fusion hypothesis c. large-impact hypothesis d. capture hypothesis e. condensation hypothesis
A hiker walks 200 m west and then walks 100 m north. In what direction is her resulting displacement?
a. north b. west c. northwest d. None of the answers is correct.
A neutron in a nuclear reactor makes an elastic head-on collision with a carbon atom initially at rest. (The mass of the carbon atom is 12 times that of the neutron.) What fraction of the neutron's original kinetic energy is retained by the neutron?
a. 14.4% c. 41.4% b. 28.4% d. 71.6%
What is the spring constant of a spring that stretches 2.0 cm when a mass of 0.60 kg is suspended from it?
What will be an ideal response?