In the lab, a relativistic proton has a momentum of 1.00 × 10-19 kg ? m/s and a rest energy of 0.150 nJ. What is the speed of the proton in the lab? (c = 3.00 × 108 m/s, mproton = 1.67 × 10-27 kg)
A) 0.170c
B) 0.196c
C) 0.911c
D) 0.930c
E) 0.951c
Answer: B
You might also like to view...
The variables m1 and m2 that appear in the equation F = Gm1m2/r2 are
a. the straight-line distance between the centers of each object. b. the rate at which each object is moving. c. the mass of each object. d. the diameter of each object.
The closest star to our solar system is Alpha Centauri, which is 4.30 light years away. A spaceship with a constant speed of 0.800c relative to the Earth travels toward the star
(a) How much time would elapse on a clock on board the spaceship? (b) How much time would elapse on a clock on the Earth?
A 10-kg dog is running with a speed of 5.0 m/s. What is the minimum work required to stop the dog in 2.40 s?
A) 50 J B) 75 J C) 100 J D) 125 J
Which of the following planets was reclassified as a dwarf planet by the International Astronomical Union (IAU) in 2006?
A) Pluto B) Earth C) Uranus D) Saturn