A gravitational wave can carry energy away from two very dense objects if they are orbiting each other or collide.
Answer the following statement true (T) or false (F)
True
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The height of the image of an object placed in front of a concave mirror must be smaller than or equal to the height of the object
1.True 2.False
Comparing the clouds of Earth and Venus, we find that:
A) both are made chiefly of water vapor. B) ours lie in the troposphere, within 10 kilometer of our surface, but Venus has a higher troposphere, with its clouds about 40 kilometers high. C) like ours, they rotate around Venus slower than Venus rotates on its axis. D) Venus has much more carbon dioxide, so dry ice clouds dominate. E) Venus is too hot for clouds to form, so we see only a barren world telescopically.
What happens to the magnitude of the magnetic field inside a long solenoid if the radius is doubled?
1.It becomes four times larger. 2.It becomes twice as large. 3.It is unchanged. 4.It becomes one-half as large. 5.It becomes one-fourth as large.
If a quantity you calculated had units of kg ? m/s, what type of quantity could it be? (There could be more than one correct choice.)
A) momentum B) kinetic energy C) work D) impulse E) force