You are standing above the point (4,3) on the surface z=15−(2x2+y2). (a) In which direction should you walk to descend fastest? (Give your answer as a unit 2-vector.)

What types of radiation make up the electromagnetic spectrum?

Gravity is pulling an object into the sun. the closer the object gets to the sun, the greater the gravitational force that acts on the object, increasing its acceleration. a line graph plotting the speed of the object against time would have which shape? a: straight line of positive slope b: curved line that slopes upward c: curved line that slopes downward d: straight line of negative slope

Acircuit contain a 5-ohm,a3-ohm,and an 8-ohm resistor in series. what is the total resistance of the circuit