According to Hubble's Law, the greater a galaxy's redshift, the:
A) closer it is to us.
B) younger it is.
C) faster it's approaching us.
D) farther it is from us.
E) greater its mass.
D
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Which of the following indicates that the Sun must be gas from its surface to its center?
A) Its low density and high temperature B) Its limited gravitational force C) Its hot spots on the photosphere D) Its weak magnetic field and small diameter
The conservation of momentum is most closely related to
A) Newton's 1st law. B) Newton's 2nd law. C) Newton's 3rd law. D) Newton's law of gravity
If a ship has a mass of 10 million kilograms, what volume of fresh water must it displace in order to float? The density of water is 1000 kg/m3
A) 1010 m3 B) 1012 m3 C) 104 m3 D) 107 m3 E) 108 m3
The product of force times parallel distance is called ______________
Fill in the blank(s) with correct word