HDPE is more crystalline than _____________; of these two LDPE should have a lower thermal conductivity.
Fill in the blank(s) with the appropriate word(s).
LDPE
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Sustained energy output by fusion is a daily occurrence in
A) military installations. B) breeder reactors. C) the Sun. D) Earth's interior.
Two mirrors are at right angles to one another. A light ray is incident on the first at an angle of 30° with respect to the normal to the surface. What is the angle of reflection from the second surface?
a. 30° b. 60° c. 45° d. 53° e. 75°
Ideal Gas Law: A quantity of an ideal gas is kept in a rigid container of constant volume. If the gas is originally at a temperature of 19°C, at what temperature will the pressure of the gas double from its original value?
A. 91°C B. 38°C C. 311°C D. 273°C E. 122°C
An ideal solenoid of radius a has n turns per unit length and current I. The magnetic flux ?B through any circular area of radius a inside the solenoid, centered on and perpendicular to the solenoid axis, is
A.
.B.
.C.
D.
E.