Hurricanes derive their energy from
a. gravity.
b. specific heat.
c. the Coriolis force.
d. latent heat.
d
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When the sum of the external forces and the sum of the external torques on a body are both zero, we can conclude that
a. the body is moving at constant velocity but is not rotating. b. the body is rotating at constant angular velocity but has no linear velocity. c. the body has neither linear nor angular velocity. d. the body may have constant linear or angular velocity, but not both simultaneously. e. the body may have constant linear or constant angular velocity, or both simultaneously.
An astronomical unit (AU) is the average distance from the Earth to the Sun. An comet in orbit around the Sun has a perihelion (near point to the Sun) of 0.50 AU and an aphelion (far point from the Sun) of 5.0 AU. If the comet's orbital speed at aphelion is v, what is its speed at perihelion?
a. 11v c. 5.5v b. 10v d. 4.5v
____________ are composed of the myosin and actin filaments—the contractile portion of the muscle.
Fill in the blank(s) with the appropriate word(s).
The wave equation is written down in an exam as
?
.
?
From dimensional considerations we see that
A.
.B.
.C.
D.
.E.
.