Adding 2î + 7ĵ and î + ĵ gives ______ a) 3î + 8ĵ b) î + 35ĵ c) î + 8ĵ d) 2î + 7ĵ

As v goes up, what happens to ac? Which graph best represents the relationship between the mag- nitude of the centripetal acceleration and the speed of an object moving in a circle of constant radius? It goes up a lot, because of the squared tern It stays the same KLLI It goes down It goes up just a little. Speed Speed Speed Speed Rewatch (1) (2) (3)

A circuit has a 42.3 pF capacitor, a 59.6 pF capacitor and a 69.4 pF capacitor in parallel with each other. What is the equivalent capacitance (in pico-Farads) of these three capacitors?

A glass of Gatorade is placed near a charged tape. Which diagram best shows the polar- ization of the Gatorade (which contains K+, Na+, Cl¯, and other ions)? 1. + 2.