TRADE! I give u 5 points u give me air

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

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?

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages