The horizontal surface on which the block slides is frictionless. If F = 20 N and M = 5.0 kg, what is the magnitude of the resulting acceleration of the block?
a.
5.3 m/s2
b.
6.2 m/s2
c.
7.5 m/s2
d.
4.7 m/s2
e.
3.2 m/s2
c
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A) 10 times B) 100 times C) 1000 times D) 10,000 times E) 100,000 times
A Carnot engine is
A. one that would violate the second law of thermodynamics. B. a theoretical engine having the highest possible efficiency for the temperatures involved. C. equivalent to the gasoline internal combustion engine. D. currently in production for the new generation of imported cars.
Exclusion Principle: For the ground state of the hydrogen atom, which of the following numbers represents the correct value of the orbital angular momentum quantum number?
A. -1 B. 1 C. 0 D. 2 E. -2
The units of momentum are
A. ML/T.
B. M/T.
C. 
D. 
E. 