what is the mechanical advantage of using the ramp, as opposed to lifting the gurney straight up? (ignore any effects of friction.)

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

The two required components for a generator

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?