Author Question: A vector starts at coordinate (3.0, 4.0) and ends at coordinate (-2.0, 16.0). What are the magnitude ... (Read 171 times)

ghost! · **on:** Jul 28, 2018

A vector starts at coordinate (3.0, 4.0) and ends at coordinate (-2.0, 16.0). What are the magnitude and direction of this vector?

Question 2

The basic function of a carburetor of an automobile is to atomize the gasoline and mix it with air to promote rapid combustion. As an example, assume that 30 cm3 of gasoline is atomized into N spherical droplets, each with a radius of 2.0 10-5 m. What is the total surface area of these N spherical droplets?