In an isolated system of two bodies that exert gravitational forces on one another, the quantity (quantities) that remain(s) constant is(are)

a. the total energy of the system.
b. the total angular momentum of the system.
c. the angular positions of the two bodies.
d. all of the above. e. only (a) and (b) above.


E

Physics & Space Science

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Fill in the blank(s) with the appropriate word(s).

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How does a rocket launch upwards? Choose the statement that best describes why a rocket goes up

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Indicate whether the statement is true or false

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Consider the possibility that a neutron could decay into a proton and a pion. What, if any, of the following conservation laws would this process violate?

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Physics & Space Science