Velomobile Characteristics Mass: 29 kg in addition to the rider Aerodynamic drag: F, = 0.0492 V* (Newtons) Rolling drag coefficient: C = 0.01 Rolling drag: F, = C,,N Mountain Bike Characteristics Mass: 10 kg in addition to the rider Aerodynamic drag: F, = 3.309 V° (Newtons) Rolling drag coefficient: C = 0.005 Rolling drag: F, = CN Perform the following assuming the bike and velomobile are on flat terrain. (a) Draw a free body diagram for each Neglecting the rotational energy of the wheels, determine: (b) The power required for each to travel 24 and 32 kph (about 15 and 20 mph) (c) The velocity with a power input of 150 W (d) The velocity going up a 6% grade with a power input of 150 W (you will also need a new free body diagram) (e) The work input required for each on a 12 km trip traveling 32 kph with 12 full stops and accelerations back up to speed. (f) Calculate the amount of calories burned. Assume the human body is 25% efficient.
Velomobile Characteristics Mass: 29 kg in addition to the rider Aerodynamic drag: F, = 0.0492 V* (Newtons) Rolling drag coefficient: C = 0.01 Rolling drag: F, = C,,N Mountain Bike Characteristics Mass: 10 kg in addition to the rider Aerodynamic drag: F, = 3.309 V° (Newtons) Rolling drag coefficient: C = 0.005 Rolling drag: F, = CN Perform the following assuming the bike and velomobile are on flat terrain. (a) Draw a free body diagram for each Neglecting the rotational energy of the wheels, determine: (b) The power required for each to travel 24 and 32 kph (about 15 and 20 mph) (c) The velocity with a power input of 150 W (d) The velocity going up a 6% grade with a power input of 150 W (you will also need a new free body diagram) (e) The work input required for each on a 12 km trip traveling 32 kph with 12 full stops and accelerations back up to speed. (f) Calculate the amount of calories burned. Assume the human body is 25% efficient.
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter7: Conservation Of Energy
Section: Chapter Questions
Problem 81P: Jane, whose mass is 50.0 kg, needs to swing across a river (having width D) filled with...
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