The expression used for momentum, p=mv,
A. Is a good low-velocity approximation
B. Is a good high-velocity approximation
C. Is correct as long as we properly understand v
D. Always gives too high a value for p
A. Is a good low-velocity approximation
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Elementary Particles: How many quarks are in a deuteron, 
H?
A. 2 B. 3 C. 4 D. 6 E. 9
A cube of aluminum is at a depth of 1.000 km under seawater whose density is 
The bulk stress on the cube due to the seawater is
A. 
B. 
C. 
D. 
E. 
A +5.0-?C point charge is placed at the 0 cm mark of a meter stick and a -4.0-?C charge is placed at the 50 cm mark. What is the net electric field at the 30 cm mark? (k = 1/4??0 = 8.99 × 109 N ? m2/C2 )
A) 4.0 × 105 N/C B) 5.0 × 105 N/C C) 9.0 × 105 N/C D) 1.4 × 106 N/C
The muzzle velocity of a bullet fired from a new rifle is 100 m/s. Neglecting air resistance, at the end of one second a bullet fired straight up into the air will have traveled a distance of
A) (100 - 5) m. B) (100 + 5) m. C) 100 m. D) 5 m. E) none of the above