Abody of mass 20kg is set in motion by two forces 3n and 4n acting at right angles to each other, determine the magnitude of the acceleration

1. in terms of fuel economy rank the following hybrid and electric vehicles, and justify application specific to each hybrid technology stop/start | mild hybrid | full hybrid | plug-in hybrid | full electric a. rank based on fuel economy b. justify your application specific for each technology

If a balloon is taken outside on a very cold day, what will occur?

The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?