Capacitors in Combination: You have three capacitors with capacitances of 4.00 ?F, 7.00 ?F, and 9.00 ?F. What is the equivalent capacitance if they are connected (a) in series and (b) in parallel?
What will be an ideal response?
(a) 1.98 µF (b) 20.00 µF
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Assuming a linear velocity distribution and a linear temperature distribution in the boundary layer over a flat plate, derive a relation between the thermal and hydrodynamic boundary-layer thicknesses and the Prandtl number.
GIVEN
Boundary layer over a flat plate
FIND
A relation between the thermal and hydrodynamic boundary-layer thicknesses and the Prandtl number
ASSUMPTIONS
Linear velocity and temperature distributions in the boundary layers
SKETCH
The average U.S. citizen receives measurable radiation from man-made sources such as power plants, medical and dental X-rays, and consumer products. The radiation received from natural sources is
A. almost immeasurable. B. more than that received from artificial sources. C. measurable but less than that received from artificial sources. D. about the same as that received from artificial sources.
Except for the clear link between smoking and lung cancer, most chronic diseases cannot be attributed to a single cause.
a. true b. false
The NASA mission(s) that landed on Mars in 1976 was (were) the:
A) Voyagers. B) Magellan lander. C) Vikings I and II. D) Venera 14. E) Galileo probe.