To be dimensionally consistent, pressure 
density 
and velocity [L/T] must be related as follows.
A. 
B. 
C. 
D. 
B.
Physics & Space Science
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A cannonball following a parabolic path explodes into fragments. The momentum of the fragments
A) continue along the path as if the explosion didn't occur. B) cancels to zero by vector addition. C) both of these D) neither of these
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The characteristic that distinguishes fermions from bosons is
A) their mass. B) their electric charge. C) their spin. D) their size. E) their speed of travel.
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A horizontal 52-N force is needed to slide a 50kg box across a flat surface at a constant velocity of 3.5 m/s. What is the coefficient of kinetic friction between the box and the floor?
A) 0.11 B) 0.13 C) 0.10 D) 0.09
Physics & Space Science
In the reaction
what is the product nucleus?
A. 13C B. 9C C. 10B D. 9B E. 9Be
Physics & Space Science