The light bulbs in this circuit are connected in
a.
parallel.
b.
series.
c.
neither parallel nor series.
d.
a short circuit.
a
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As air rises, it cools and clouds can form. The rate of cooling determines the elevation of cloud formation and cloud thickness. From first to last, the rates of cooling are
A) dry adiabatic lapse rate—cloud base; moist adiabatic lapse rate—cloud thickness; environmental lapse rate—upper limit of cloud. B) moist adiabatic lapse rate—cloud base; dry adiabatic lapse rate—cloud thickness; environmental lapse rate—upper limit of cloud. C) environmental lapse rate—cloud base; moist adiabatic lapse rate—cloud thickness; dry adiabatic lapse rate—upper limit of cloud.
RMS and Peak Quantities: American power plants usually supply 120 V ac.(a) At what frequency is this voltage supplied?(b) What is the maximum voltage?
What will be an ideal response?
A Ferris wheel rotating at 20 rad/s slows down with a constant angular acceleration of magnitude 5.0 rad/s2. How many revolutions does it make while slowing down before coming to rest?
A) 3.2 B) 40 C) 6.4 D) 20
Earth's radius is about ______________ mi
Fill in the blank(s) with correct word