This PhysCast is about power and velocity. Riding your 14kg bike at a steady 18km/h (5.0 m/s) you experience a 30-N force from air resistance. If your mass is 68 kg what power must you supply on level ground and going up a 5 degree incline?

Power exerted riding a bike at constant velocity (PhysCasts)

PhysCasts are narrated screen video recordings explaining physics concepts and their application to problem-solving. They have been produced by Swinburne University of Technology's Faculty of Science, Engineering and Technology. The series is part of an ongoing collaborative research project to develop high quality resources and investigate the effectiveness of screencasts to support learning. PhysCasts are licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License: http://creativecommons.org/licenses/by-nc-nd/3.0/.

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Power exerted riding a bike at constant velocity (PhysCasts)

Power exerted riding a bike at constant velocity (PhysCasts)