And 80 kg subject exercises on a rowing ergometer at a power output of 300 W and a stroke rate of 22 strokes per minute. One revolution of the flywheel of the rowing ergometer is equivalent to 1m. Calculate the resistance he was exercising at (assuming one minute of exercise).

Which statement best describes who the period and frequency of electromagnetic was change between gamma rays and microwaves? a) the period and frequency stay the same. b) the period increases and the frequency decreases. c) the period decreases and the frequency increases. d) the period increases and the frequency increases.

Ann walks 80 meters on a straight line 33 ∘ north of east starting at point 1. draw ann's path. represent ann's walk with a vector of length 80 meters. draw the vector starting at point 1. the length given in the display is in meters.

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