By how much did the flux increase or decrease from point 1 to point 2 in the above figure if the distance to 1 is r and the distance to 2 is 2r?
a. increase by double
b. decrease by double
c. increase by quadruple
d. decrease by quadruple
D
Physics & Space Science
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The standard unit of distance in the mks system is the
a. centimeter b. inch c. kilometer d. meter e. second
Physics & Space Science
The compositions of dark clouds can be determined through absorption spectra
Indicate whether the statement is true or false
Physics & Space Science
Describe an order-of-magnitude estimate
What will be an ideal response?
Physics & Space Science
At their closest approach, Venus and Earth are 4.20 × 1010 m apart. The mass of Venus is 4.87 × 1024 kg, the mass of Earth is 5.97 × 1024 kg, and G = 6.67 x 10-11 N•m2/kg2. What is the force exerted by Venus on Earth at that point?
A) 1.10 × 1018 N B) 4.62 × 1028 N C) 5.43 × 1026 N D) 6.30 × 1020 N E) 1.72 × 1019 N
Physics & Space Science