A particle is in the ground state of a one-dimensional box of length 1.0 m. What is the minimum value of its momentum (in kg × m/s)?
a. 9.9 × 10^-34
b. 6.6 × 10^-34
c. 3.3 × 10^-34
d. 13 × 10^-34
e. cannot be solved unless mass of particle is known.
C
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Assume a gram of a substance marketed as "Pure Energy" is annihilated by a gram of a second substance "Anti-Pure Energy." How long would the energy released power a city which uses 109 watts of power?
a. 40 hrs b. 25 hrs c. 50 hrs d. 65 hrs e. 50000 hrs
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