The mass of the nucleus is closest to
A. 99% of that in the entire atom
B. 1 % of that in the atom
c. 10-5 of that in the atom
D. 10-15 of that in the atom
Answer: A. 99% of that in the entire atom
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You lift a book slowly from the floor to the table. You then lift an identical book rapidly from the floor to the table. Compared with the slow process, in the faster process your
A) work done is greater. B) energy output [i.e., amount of energy transformed into gravitational energy] is greater. C) Both of the above are correct. D) power output is greater. E) All of the above are correct.
A 1.00 kg mass is connected to a spring with a spring constant of 9.00 N/m. If the initial velocity is 4.00 cm/s and the initial displacement is 0.00 cm, then what is the maximum displacement of the simple harmonic motion?
A. 2.67 cm B. 2.33 cm C. 2.05 cm D. 1.67 cm E. 1.33 cm
When most substances are heated, molecules inside move faster and take up more space, resulting in thermal
A) bending. B) expansion. C) contraction. D) heat.
Consider some water at 6°C. For a slight increase its temperature the water will
A) expand. B) contract. C) remain the same.