Flow channels on Venus suggest it was once rich in water
Indicate whether the statement is true or false
F
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Why is the Moon not completely invisible (it appears as a very deep red color) to the naked eye during a total lunar eclipse?
What will be an ideal response?
Two cars are traveling at the same speed and hit the brakes at the same time. One car has double the deceleration of the other. By what factor does the distance required to stop that car compare with that for the other car?
What will be an ideal response?
Two children ride on a merry-go-round, George is at a greater distance from the axis of rotation than Jacques. It is a true statement that
A) Jacques has a greater angular velocity than George. B) Jacques and George have the same angular velocity. C) Jacques has a smaller angular velocity than George. D) both have zero angular velocities. E) Cannot tell which one has the greater angular velocity without knowing their masses.
A sinusoidal electromagnetic wave in vacuum delivers energy at an average rate of 5.00 µW/m2. What are the amplitudes of the electric and magnetic fields of this wave?
(c = 3.0 × 108 m/s, ?0 = 4? × 10-7 T • m/A, ?0 = 8.85 × 10-12 C2/N • m2)