An Object of Mass M with a Certain Initial Speed

question 74

Multiple Choice

An object of mass m with a certain initial speed on a horizontal surface comes to rest after traveling a distance of 9.0 m. If the coefficient of kinetic friction between the object and the horizontal surface is 0.20, what is the initial speed of the object? Use g = 10 m/s².

• A)9.8 m/s
• B)6.0 m/s
• C)3.6 m/s
• D)7.2 m/s
• E)8.9 m/s

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