Two cars are moving. The first car has thrice the mass of the second car but only 1/3 as the kinetic energy. When both cars increase their speed by 9 m/s, they then have the same kinetic energy. Calculate the original speeds of the first car. a. 15.59 m/s² b. 5.20 m/s2 c. 2.35 m/s² d. 5.30 m/s²
Two cars are moving. The first car has thrice the mass of the second car but only 1/3 as the kinetic energy. When both cars increase their speed by 9 m/s, they then have the same kinetic energy. Calculate the original speeds of the first car. a. 15.59 m/s² b. 5.20 m/s2 c. 2.35 m/s² d. 5.30 m/s²
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 26P: Suppose a car travels 108 km at a speed of 30.0 m/s, and uses 2.0 gal of gasoline. Only 30 of the...
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