How long will it take a 816-kg car with a useful power output of 47.2 hp (1 hp equals 746 W) to reach a speed of 19.6 m/s, neglecting friction? Give your answer in seconds and to 1 decimal place.

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 76P: Calculate the power output needed for a 950-kg car to climb a 2.00 slope at a constant 30.0 m/s...
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How long will it take a 816-kg car with a useful power output of 47.2 hp (1 hp equals 746 W) to
reach a speed of 19.6 m/s, neglecting friction?
Give your answer in seconds and to 1 decimal place.
Transcribed Image Text:How long will it take a 816-kg car with a useful power output of 47.2 hp (1 hp equals 746 W) to reach a speed of 19.6 m/s, neglecting friction? Give your answer in seconds and to 1 decimal place.
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