What is the mass of an object that creates 33,750 joules of energy by traveling at 30 m/sec

The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?

Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate

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?