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The formula for kinetic energy is: K = 0.5 mv, where m is mass in kilograms, v is velocity in m/s, and K stands for the energy in Joules. If m = 30 kg, and v = 13 m/s, how fast is K changing if v is changing at the rate of 9 m/s? Assume m is constant. Rate (in Joules/sec) = Number (Enter your answer rounded to 4 decimal places)

The formula for kinetic energy is: K = 0.5 mv, where m is mass in kilograms, v is velocity in m/s, and K stands for the energy in Joules. If m = 30 kg, and v = 13 m/s, how fast is K changing if v is changing at the rate of 9 m/s? Assume m is constant. Rate (in Joules/sec) = Number (Enter your answer rounded to 4 decimal places)

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 7ECP: The kinetic energy E of an object varies jointly with the object’s mass m and the square of the...
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The formula for kinetic energy is: K = 0.5 mv, where m is mass in kilograms, v is velocity in m/s, and K stands for the energy in Joules. If m = 30 kg, and v = 13 m/s, how fast is K changing if v is changing at the rate of 9 m/s? Assume m is constant. %3D Rate (in Joules/sec) = Number (Enter your answer rounded to 4 decimal places)
Transcribed Image Text:The formula for kinetic energy is: K = 0.5 mv, where m is mass in kilograms, v is velocity in m/s, and K stands for the energy in Joules. If m = 30 kg, and v = 13 m/s, how fast is K changing if v is changing at the rate of 9 m/s? Assume m is constant. %3D Rate (in Joules/sec) = Number (Enter your answer rounded to 4 decimal places)
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