If a proton with a kinetic energy of 6.3 MeV is traveling in a particle accelerator in a circular orbit with a radius of 0.680 m, what fraction of its energy does it radiate per second

Ababy stroller is a rest on top of a hill which is 10 m high. the stroller and baby have a mass of 20 kg. what is the potential energy of the baby and stroller?

What is created when solids, liquids, an gases mix with one another

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.