As the air cools at night the relative humidity usually __________
Fill in the blank(s) with correct word
increases
Physics & Space Science
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Neutron stars have densities roughly the same as that of the atomic nucleus
Indicate whether the statement is true or false
Physics & Space Science
Sound travels through the air in the form of
1) transverse waves, 2) longitudinal waves, and radio signals travel through the air in the form of 3) transverse waves. 4) longitudinal waves.
Physics & Space Science
Two wires, one copper and the other steel, of equal length stretch the same amount under an applied load P. The moduli of elasticity for each is Es 5 210 GPa and Ec 5 120 GPa. The ratio of the diameter of the copper wire to that of the steel wire is approximately:
(A) 1.00
(B) 1.08
(C) 1.19
(D) 1.32
Physics & Space Science
The most massive galaxies in the universe are
A) ellipticals. B) spirals. C) lenticulars.
Physics & Space Science