Suppose that two objects attract each other with a gravitational force of 16 units. if the distance between the two objects is doubled, what is the new force if attraction between the two objects?

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

Asatellite component is in the shape of a cube with 10cm edges, has an evenly distributed mass of 2 kg and one bolt hole at each of four corners. if the maximum predicted random vibration environment is 10 grms, what bolt size would be a good choice for restraint? what other factors might drive bolt size besides force/stress?