HEL Describe the electrostatic force between two negatively charged objects.
(A)They are attracted to each other.
(B)They are repelled by each other.
(C)They are unaffected by the sign of the charge.

Using the given data table, calculate the acceleration of the skateboarder. you can use either form of the equation below?

Which of the following changes to a pipe would increase the conductance by a factor of 12? 1.quadrupling the length and tripling the radius.2.reducing the length by a factor of and doubling the radius.3.tripling the length and reducing the radius by a factor of .4.reducing the length but a factor of and doubling the radius.

Why is it important always to use horizontal bars in unit fractions when performing unit conversions?