Two object gravitationally attract with a force of 20n. if the distance between the two object centers is doubled, then what is the new force?

Which statement is best supported by the information in the chart? wave y is moving the fastest. wave x is moving the fastest. all of the waves are moving at the same speed. all of the waves have the same value of wavelengths per second.

What object a collides with object b and bounces back its final momentum is?

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?