The flow of energy through each shell determines:

A) the mass of each shell.
B) the diameter of each shell.
C) how much weight a shell can balance.
D) how many planets revolve around a star.


C

Physics & Space Science

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The acceleration of a ball as it rolls down a ramp is 4 m/s2 . The ball is referred to 2 s after it starts to roll. The velocity acquired after starting from rest is __________

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