The longitudinal strength of wood is due to the high strength of crystalline _________cells.
Fill in the blank(s) with the appropriate word(s).
cellulose
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_________emission occurs when a material is heated to a high temperature and electrons are emitted.
Fill in the blank(s) with the appropriate word(s).
The second law of thermodynamics
A. describes the state of a system. B. applies only when the first law is satisfied. C. precludes perpetual motion machines. D. does not apply to an isolated system.
1400 rev/min is equivalent to which of the following?
A) 23.3 rad/s B) 146.6 rad/s C) 8796 rad/s D) 40 rad/s
A 600-kg car is going around a curve with a radius of 120 m that is banked at an angle of 25.0° with a speed of 30.0 m/s. The coefficient of static friction between the car and the road is 0.300
What is the force exerted by friction on the car? A) 1590 N B) 3430 N C) 7240 N D) 7820 N E) 795 N