If given r1=2ohms r2=2ohms find equivalent resistor
when in series
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The roller coaster from problem #1 then tops a second hill at 15.0 m/s, how high is the second hill? 91.5 m 79.2 m 80.0 m 68.5 m

An electron is traveling with initial kinetic energy k in a uniform electric field. the electron comes to rest momentarily after traveling a distance d. (a) what is the magnitude of the electric field

The substances that are necessary for producing of certain hormones and that store and transport vitamins