At closest approach Venus is about how far from Earth?
A) 0.7 AU
B) 0.5 AU
C) 0.4 AU
D) 0.3 AU
E) 0.1 AU
D
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How can the Doppler Effect be used to determine if a storm is forming into a tornado?
What will be an ideal response?
Chemically based extraterrestrial life
A) will not need to store information B) may not use DNA to store information but will very likely use a molecule with a similar function C) will certainly use DNA to store information, but with different nucleotides D) will certainly use DNA to store information
How much power does a sphere with a radius of 10 cm radiate into empty space if is has an emissivity of 1.0 and is kept at a temperature of 400 K? (? = 5.67 × 10-8 W/m2 ? K4 )
A) 60 W B) 70 W C) 180 W D) 210 W E) 360 W
The component of the electric field in any direction is equal to the negative of the rate of change of the electric potential with distance in that direction
Indicate whether the statement is true or false