The International Space Station orbits at an average 360-km altitude so that it is mainly above Earth's
A) atmosphere.
B) gravitation.
C) both of these
D) none of the above
Answer: A
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In a double-slit experiment using light of wavelength 486 nm, the slit spacing is 0.600 mm and the screen is 2.00 m from the slits. Find the distance along the screen between adjacent bright fringes
An ideal gas at pressure, volume, and temperature, P0, V0, and T0, respectively, is heated to point A, allowed to expand to point B also at A’s temperature 2T0, and then returned to the original condition. The internal energy decreases by 3P0V0/2 going from point B to point
T0. How much heat left the gas from point B to point T0?
a.
0
b.
P0V0/2
c.
3P0V0/2
d.
5P0V0/2
The density of a neutron star is comparable to the density of an atomic nucleus
Indicate whether the statement is true or false
Plane Mirrors: A laser beam strikes a plane mirror's reflecting surface with an angle of incidence of 43°. What is the angle between the incident ray and the reflected ray?
A. 43° B. 86° C. 45° D. 90° E. 0°