An object experiences a 3N force pushing it upwards, and a 4N force pushing it to the right. Use the ideas of "the parallelogram of forces" and Pythagoras' law to determine the resultant force. Include a
diagram in your answer.

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

Lightning is an example of what phenomenon? a release of a large amount of energyan absorption of a large amount of energya natural electric circuita natural electric current

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive