Write your answer below.
de
think people should use moss
Do you think peop
or their lawns? Why?
instead of grass for their lawns?

10 newton object is placed 3 meters from the fulcrum. at what distance on the other side would you need to place a 15 newton object to balance the lever? show your work!

Two identical stars with mass m orbit around their center of mass. each orbit is circular and has radius r, so that the two stars are always on opposite sides of the circle. (a) find the gravitational force of one star on the other. (b) find the orbital speed of each star and the period of the orbit. (c) how much energy would be required to separate the two stars to infinity?

The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.