Explain the melting of a solid in terms of molecules and energy​

Apossible explanation for a set of facts that can be tested by further investigation is called

If the new moon happens on january 15th, what shape will it be on february 6th?

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.