A hot, molten body of different materials will become ________
Fill in the blank(s) with correct word
differentiated
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A uniform rod (mass m = 1.0 kg and length L = 2.0 m) pivoted at one end oscillates in a vertical plane as shown below. The period of oscillation (in s) is approximately
?
?
A. 4.0. B. 1.6. C. 3.2. D. 2.3. E. 2.0.
A 1.50 kg hollow steel ball is submerged in water. It weighs in water 10.75 N. The volume of the cavity inside the ball is (density of steel is
A. 0.000139
B. 0.000213
C. 0.000348
D. 0.000401
E. 0.000476
_________ in our atmosphere is a direct consequence of the emergence of life.
a. Carbon dioxide b. Water vapor c. Nitrogen d. Oxygen e. Helium
An electron is bound in an infinite well (a box) of width 0.10 nm
If the electron is initially in the n = 8 state and falls to the n = 7 state, find the wavelength of the emitted photon. (c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s, mel = 9.11 × 10-31 kg)