If velocity is postive, which would most likely yield a negative acceleration

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

Amodel rocket with a mass of 0.212 kg is launched into the air with an initial speed of 84 m/s. how much kinetic energy will the rocket have at a height of 214 m? assume there is no wind resistance. 634 j 303 j

The two required components for a generator are