The angular measurement in degrees north or south of the equator is
a) longitude.
b) latitude.
c) parallel.
d) altitude.
[Ques. 2] A 0.28-kg stone you throw rises 34.3 m in the air. The magnitude of the impulse the stone received from your hand while being thrown is
a. 0.27 N s.
b. 2.7 N s.
c. 7.3 N s.
d. 9.6 N s.
e. 34.3 N s.
[Ques. 3] The tropical year is
a) longer than the sidereal year.
b) shorter than the sidereal year.
c) equal to the sidereal year.
d) measured with reference to the autumnal equinox.
[Ques. 4] Assume that the average mass of each of the approximately 1 billion people in China is 55 kg. Assume that they all gather in one place and climb to the top of 2 m high ladders. The center of mass of the Earth (mE = 5.90 1024 kg) is then displaced
a. 0 m.
b. 1.84 1023 m.
c. 1.84 1014 m.
d. 1.80 1013 m.
e. 2 m.
[Ques. 5] Standard time zones
a)contain 30 of latitude.
b)contain 15 of longitude.
c)are 12 in total number.
d)are 7.5 wide.
[Ques. 6] One year
a) has more sidereal days than solar days.
b) has more solar days than sidereal days.
c) always has exactly 365 sidereal days.
d) is based entirely on Earth's rotation rate.
[Ques. 7] A 3.00-kg stone is dropped from a 39.2 m high building. When the stone has fallen 19.6 m, the magnitude of the impulse the Earth has received from the gravitational force exerted by the stone is
a. 9.80 N s.
b. 19.6 N s.
c. 29.4 N s.
d. 58.8 N s.
e. 118 N s.
[Ques. 8] The Greenwich meridian is also known as the
a) reference circle.
b) zero, or prime, meridian.
c) East-West major parallel.
d) zenith meridian.
[Ques. 9] Meridians
a) are drawn parallel to the equator.
b) are each only half of a great circle.
c) have a maximum value of 90.
d) never intersect at any point or points on Earth's surface.
[Ques. 10] A 3.00-kg stone is dropped from a 39.2 m high building. When the stone has fallen 19.6 m, the magnitude of the impulse it has received from the gravitational force is
a. 9.80 N s.
b. 19.6 N s.
c. 29.4 N s.
d. 58.8 N s.
e. 118 N s.
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