Amerry-go-round has a mass of 1415 kg and a radius of 6.4 m. how much net work (in j) is required to accelerate it from rest to a rotation rate of 1.00 revolution per 7.00 s? assume it is a solid cylinder.

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.

Scientist have use computer models to create a series of maps that show how susceptible coastal cities in island countries are to the sea rising at different levels.the map shows that a 1 meter rise would swap cities all along the us eastern seaboard. a 6-meter sea level rise with sub merge a large part of florida. thermal expansion has already raise the oceans 10 to 20 centimeters the most likely cause,directly and indirectly, for such a rise in sea level is

The strong nuclear force acts over a small distance than the electrostatic force. true or false