An observation satellite for mapping purposes is placed in a low Earth orbit. In order to see the whole surface of the Earth, which would be the preferred orbit?
a. an equatorial orbit b. a polar orbit
c. an orbit inclined 45° to the equator d. It doesn't matter since the Earth turns completely every 24 hours.
b
You might also like to view...
The oldest parts of Earth's crust are located along the midocean rifts
Indicate whether the statement is true or false
Remanent magnetism in rocks is due to the
presence of a)sodium chloride. b)magnetite. c)calcium deposits. d)zinc-bearing particles.
At a certain instant, a compact disc is rotating at 210 rpm. What is its angular speed in rad/s?
A) 11 rad/s B) 22 rad/s C) 45 rad/s D) 69 rad/s E) 660 rad/s
An electron moves with a constant horizontal velocity of 3.0 × 106 m/s, and no initial vertical velocity as it enters a deflector inside a TV tube
The electron strikes the screen after traveling 17.0 cm. horizontally and 40.0 cm vertically upward with no horizontal acceleration. What is the constant vertical acceleration provided by the deflector? (The effects of gravity can be ignored.) A) 2.5 × 1014 m/s2 B) 8.3 × 102 m/s2 C) 1.4 × 104 m/s2 D) 1.2 × 1014 m/s2