Momentum: What is the momentum of a proton when it is moving with a speed of 0.60c? (mproton = 1.67 × 10-27 kg)
A. 1.2 × 10-19 kg? m/s
B. 1.5 × 10-19 kg ? m/s
C. 3.0 × 10-19 kg ? m/s
D. 3.8 × 10-19 kg ? m/s
Answer: D
You might also like to view...
Conversion of Units: A plot of land contains 5.8 acres. How many square meters does it contain? (1.0 acre = 43,560 ft2 and 2.54 cm = 1.00 in.)
A. 2.3 × 104 m2 B. 7.1 × 103 m2 C. 7.0 × 104 m2 D. 5.0 × 104 m2
Free Fall: Abby throws a ball straight up and times it. She sees that the ball goes by the top of a flagpole after 0.50 s and reaches the level of the top of the pole after a total elapsed time of 4.1 s. What was the speed of the ball at launch? Neglect air resistance.
A. 11 m/s B. 23 m/s C. 34 m/s D. 45 m/s E. 48 m/s
In circular aperture diffraction, how does the diameter of the hole affect the diffraction pattern?
A. The smaller the hole the narrower the central maximum. B. The smaller the hole the wider the central maximum. C. The smaller the hole the smaller the angle to the first dark fringe. D. The hole diameter does not affect the pattern.
If one were told the object's initial velocity then one could calculate the work done by using the equations for constant acceleration to find the distance traveled. What is the magnitude of the change in the object's momentum?
a. 150 kg m/s b. 50 kg m/s c. 75 kg m/s d. undetermined—not enough information given e. none of the above