On March 21, the noonday Sun is overhead at what latitude?
a. 0°
b. 23.5°N
c. 23.5°S
d. That of the Tropic of Cancer
a
You might also like to view...
One angstrom = 
m and one fermi = 
What is the relationship between these units?
A. 1 angstrom = 
fermi
B. 1 angstrom = 
fermi
C. 1 angstrom = 
fermi
D. 1 angstrom = 
fermi
A red ball with a velocity of +3.0 m/s collides head-on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the yellow ball after the collision?
A) zero B) +3.0 m/s C) -2.0 m/s D) +2.5 m/s E) +5.0 m/s
A series circuit consists of a 0.55 H inductor with internal resistance 8.0 ohms connected in series with a 4.0-ohm resistor, a switch, and a 12-V battery
(a) When the switch is closed, what is the initial current through the 4.0-ohm resistor? (b) After the switch has been closed, what is the maximum current in the 4.0-ohm resistor?
A depth change of 10 metres/33 feet causes a pressure change of.
a. 1 bar/ata b. 2 bar/ata c. 3 bar/ata d. 4 bar/ata