According to coulomb's law if the charges are moved is 7 times further apart, will the force increased or decreased?by how much will it change?

Is the alien theory a scientific claim? why or why not? just took the test it was , : " the alien theory is not a scientific claim because it is not based on valid data, there is no evidence to support it, and it does not come from a reliable source."

True or false: the revolution of the earth creates day and night as it rotates around the sun

Acar moves at 12m/s and coasts up a hill with a uniform acceleration of -1.6m/s2. how far has it traveled after 6.0s?