elevator car has a mass of 1600 kg and is carrying sengers having a combined mass of 200 kg. A constant tion force of 4000 N retards its motion. How much power ust a motor deliver to lift the elevator car and its passengers a constant speed of 3.5 m/s? A. 649 x 10 W 8 541 x 10 W C. 4.32 x 10 W D. 7.57 x 10 W AT ME

elevator car has a mass of 1600 kg and is carrying sengers having a combined mass of 200 kg. A constant tion force of 4000 N retards its motion. How much power ust a motor deliver to lift the elevator car and its passengers a constant speed of 3.5 m/s? A. 649 x 10 W 8 541 x 10 W C. 4.32 x 10 W D. 7.57 x 10 W AT ME

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter7: Work And Kinetic Energy

Section: Chapter Questions

Problem 77P: A man of mass 80 kg runs up a flight of stairs 20 m high in 10 s. (a) how much power is used to lift...

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