Energy transfer by convection is primarily restricted to
A) solids.
B) liquids.
C) gases.
D) fluids.
E) none of the above
Answer: D
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A particle (mass = 6.7 × 10?27 kg, charge = 3.2 × 10?19 C) moves along the positive x axis with a speed of 4.8 × 105 m/s. It enters a region of uniform electric field parallel to its motion and comes to rest after moving 2.0 m into the field. What is the magnitude of the electric field?
A. 2.0 kN/C B. 1.5 kN/C C. 1.2 kN/C D. 3.5 kN/C E. 2.4 kN/C
When one travels east while passing over a time zone boundary (ignoring daylight savings time issues),
a. the date is decreased one day. b. the time is decreased one hour. c. the time is advanced one hour. d. the date is advanced one day. e. none of these occurs.
A Hooke's law spring is mounted horizontally over a frictionless surface. The spring is then compressed a distance d and is used to launch a mass m along the frictionless surface. What compression of the spring would result in the mass attaining double the speed received in the above situation?
a. 1.41d c. 2.00d b. 1.73d d. 4.00d
Mica is not found in
A) slate. B) schist. C) gneiss. D) quartzite.