What is the minimum diameter of a steel wire if it is to support a mass of 80 kg. The elastic limit of steel is 5.0 × 10^8 Pa
a. 1.4 mm
b. 2.0 mm
c. 1.0 mm
d. 2.0 mm
a
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Irregular galaxies, although small, have large H II regions and much on-going star formation for their size
Indicate whether the statement is true or false
Four 16-?F capacitors are connected in combination. What is the equivalent capacitance of this combination if they are connected
(a) in series? (b) in parallel? (c) such that two of them are in parallel with each other and that combination is in series with the remaining two capacitors?
Main sequence stars are in hydrostatic equilibrium.
Answer the following statement true (T) or false (F)