Problem 7: A block of mass m = 2.5 kg is attached to a spring with spring constant k = 980 N/m. It is initially at rest on an inclined plane that is at an angle of 0 = 25° with respect to the horizontal, and the coefficient of kinetic friction between the block and the plane is µ = 0.13. In the initial position, where the spring is compressed by a distance of d = 0.15 m, the mass is at its lowest position and the spring is compressed the maximum amount. Take the initial gravitational energy of the block as zero. M

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Chapter1: Units, Trigonometry. And Vectors
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Part (a) What is the block's initial mechanical energy, Eo in J?
Eo = ||
Transcribed Image Text:Part (a) What is the block's initial mechanical energy, Eo in J? Eo = ||
Problem 7: A block of mass m = 2.5 kg is attached to a spring with spring constant k =
980 N/m. It is initially at rest on an inclined plane that is at an angle of 0 = 25° with respect to the
horizontal, and the coefficient of kinetic friction between the block and the plane is u = 0.13. In the
initial position, where the spring is compressed by a distance of d = 0.15 m, the mass is at its lowest
position and the spring is compressed the maximum amount. Take the initial gravitational energy of
the block as zero.
I dl
M
Transcribed Image Text:Problem 7: A block of mass m = 2.5 kg is attached to a spring with spring constant k = 980 N/m. It is initially at rest on an inclined plane that is at an angle of 0 = 25° with respect to the horizontal, and the coefficient of kinetic friction between the block and the plane is u = 0.13. In the initial position, where the spring is compressed by a distance of d = 0.15 m, the mass is at its lowest position and the spring is compressed the maximum amount. Take the initial gravitational energy of the block as zero. I dl M
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