Which of the following fiber degree layering sequences produces a balanced symmetric composite material?
(a) 0/60/120/0/60/120
(b) 0/90/90/0
(c) 0/60/120/120/60/0
(d) 0/45/135/0/45/135
(c) 0/60/120/120/60/0
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Materials in which the resistivity becomes essentially zero at very low temperatures are referred to as
A) conductors. B) insulators. C) semiconductors. D) superconductors.
An electron of mass 9.11 × 10^-31 kg moves with a speed of 0.800c. What is its total energy? (c = 3.00 × 10^8 m/s)
a. 13.7 × 10^-14 J c. 4.80 × 10^-14 J b. 10.2 × 10^-14 J d. 7.30 × 10^-14 J
A bowling ball size probe from a spaceship and a pebble size object land on a large asteroid that is far from any star. After a long period of time has passed, it is highly probable that the pebble and the probe
a. have each had the same change in temperature. b. have each had the same change in volume. c. are in thermal equilibrium with one another. d. are not in thermal equilibrium with one another. e. are in thermal equilibrium with one another, but are not at the same temperature.
Alpha, beta, and gamma particles are all deflected by a magnetic field
Indicate whether the statement is true or false