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V. Fair A car with mass m = 2000 kg goes up on a steep road at a constant speed of 40 m/s. The slope angle 0 has sin 0 = 0.1. There is an air friction force with magnitude Fair = 2000 N. Compute the following powers. (Take g=10 m/s?.) Note: You can use unit prefixes like k=kilo=D10° in your unit expressions (e.g., kN for kilonewton). (a) Power of work done by the gravity on the car. grat (b) Power of work done by the air friction force Fair on the car. Pair (c) Power of energy transferred by the engine on the car (assume that only the air friction and gravitational forces are the external forces that act on the car). Pengine

V. Fair A car with mass m = 2000 kg goes up on a steep road at a constant speed of 40 m/s. The slope angle 0 has sin 0 = 0.1. There is an air friction force with magnitude Fair = 2000 N. Compute the following powers. (Take g=10 m/s?.) Note: You can use unit prefixes like k=kilo=D10° in your unit expressions (e.g., kN for kilonewton). (a) Power of work done by the gravity on the car. grat (b) Power of work done by the air friction force Fair on the car. Pair (c) Power of energy transferred by the engine on the car (assume that only the air friction and gravitational forces are the external forces that act on the car). Pengine

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Fair A car with mass m = 2000 kg goes up on a steep road at a constant speed of 40 m/s. The slope angle 0 has sin 0 = 0.1. There is an air friction force with magnitude Fair = 2000 N. Compute the following powers. (Take g=10 m/s2.) Note: You can use unit prefixes like k=kilo=10° in your unit expressions (e.g., kN for kilonewton). (a) Power of work done by the gravity on the car. Pa grav (b) Power of work done by the air friction force Fair on the car. Pair (c) Power of energy transferred by the engine on the car (assume that only the air friction and gravitational forces are the external forces that act on the car). Pengine
Transcribed Image Text:Fair A car with mass m = 2000 kg goes up on a steep road at a constant speed of 40 m/s. The slope angle 0 has sin 0 = 0.1. There is an air friction force with magnitude Fair = 2000 N. Compute the following powers. (Take g=10 m/s2.) Note: You can use unit prefixes like k=kilo=10° in your unit expressions (e.g., kN for kilonewton). (a) Power of work done by the gravity on the car. Pa grav (b) Power of work done by the air friction force Fair on the car. Pair (c) Power of energy transferred by the engine on the car (assume that only the air friction and gravitational forces are the external forces that act on the car). Pengine
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