Gina's moped has an output of 6.0 horsepower (1 horsepower = 745.7 W), and its mass is 190 kg. 50 kg, how long does it take for her to reach a speed of 8.0 m/s if she starts her moped from rest? A. 0.92 s B. 1.3 s C. 2.2 s D. 1.7 s Gina's mass is

Gina's moped has an output of 6.0 horsepower (1 horsepower = 745.7 W), and its mass is 190 kg. 50 kg, how long does it take for her to reach a speed of 8.0 m/s if she starts her moped from rest? A. 0.92 s B. 1.3 s C. 2.2 s D. 1.7 s Gina's mass is

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter7: Work, Energy, And Energy Resources

Section: Chapter Questions

Problem 45PE: (a) What is the power output in watts and horsepower of a 70.0-kg sprinter who accelerates from rest...

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Concept explainers

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.

Question

Gina's moped has an output of 6.0 horsepower (1 horsepower = 745.7 W), and its mass is 190 kg.
50 kg, how long does it take for her to reach a speed of 8.0 m/s if she starts her moped from rest?
A. 0.92 s
B. 1.3 s
C. 2.2 s
D. 1.7 s
Gina's mass is

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