The two general types of earthquake waves are ______________ waves and body waves
Fill in the blank(s) with correct word
surface
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Buoyancy: A person who weighs 550 N empties her lungs as much as possible and is then completely immersed in water of density 1000 kg/m3 while suspended from a harness. Her apparent weight is now 21.2 N. What is her density?
A. 1050 kg/m3 B. 1040 kg/m3 C. 1030 kg/m3 D. 960 kg/m3 E. 56.1 kg/m3
?Two flat rectangular mirrors are set edge to edge and placed perpendicular to a flat nonreflecting surface. A light ray that reflects from mirror 1 at angle?M1 then strikes the second mirror and reflects at?M 2 such that the angle between the ray reaching mirror 1 and the ray leaving mirror 2 is 180°. The angle between the two mirrors is
A. ?0°. B. ?45°. C. ?90°. D. ?150°. E. ?235°.
Graphite, diamond and buckminsterfullerene are different forms of the element _______
Fill in the blank(s) with correct word
A violation of the second law of thermodynamics would occur if
a. a ball lying on the ground started to bounce. b. transfer of energy by heat moved energy from an object at low temperature to an object at a higher temperature. c. a motion picture was run backwards through the projector. d. any of the above occurred. e. (a) or (b) occurred, but not (c).