When a contracting hot ball of stellar gas spins into a disk shape, it cools faster due to: increased convection currents.
increased radiation transfer.
increased surface area to volume.
decreased insulation.
eddy currents.

The force will determine the acceleration.

Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.

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.