Which of the following is not a fundamental quantity? a) Time ...

[michelleunicorn]

Which of the following is not a fundamental
  quantity?
  a) Time
  b) Mass
  c) Length
  d) Area
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Question 2

Halley's comet moves about the sun in an elliptical orbit with its closest approach to the sun being 0.59 A.U. and its furthest distance being 35 A.U. 1 Astronomical Unit (A.U.) is the Earth-sun distance. If the comet's speed at closest approach is 54 km/s, what is its speed when it is farthest from the sun?

[asdfasdf]

Answer to Question 1

d

Answer to Question 2

910 m/s