Avector a with an x-component of 6.00 and a y-component of -4.40 is added to a vector b with x-component 3.30 and a y-component of -5.60. what is the magnitude of the resultant vector? use proper significant figures.

What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.

What does si stand for,when referring to a system of measurement