The p-wave of an earthquake travels at 1,000 m/s while the s-wave travels at 600 m/s. The epicenter of the earthquake is 140 km from your school.

A)Calculate the time it takes for the p-wave to occur.

B)Calculate the time it takes for the s wave to occur.

C)Calculate the time difference between the waves.

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

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?