Suppose that the Sun shrank in size but that its mass remained the same. What would happen to the orbit of the Earth?

A) Earth's orbit would be unaffected.
B) The size of Earth's orbit would shrink, and it would take less than one year to orbit the Sun.
C) Earth's orbit would expand, and it would take more than one year to orbit the Sun.
D) Earth would change from a bound orbit to an unbound orbit and fly off into interstellar space.


A) Earth's orbit would be unaffected.

Physics & Space Science

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A 100-g block of copper is taken from a kiln and quickly placed into a beaker of negligible heat capacity containing 300 g of water. The water temperature rises from 15°C to 40°C. Given cCu = 0.10 cal/g•°C, and cwater = 1.00 cal/g•°C, what was the temperature of the kiln?

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The buoyant force that keeps a ship afloat is an example of __________ principle

Fill in the blank(s) with correct word

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