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Unformatted text preview: only if the work done is clear and correct . 2a. A mass of 0.3 kg is on a frictionless, horizontal table. The mass is connected (fixed) to a massless spring which has a force constant of 3.00 N/m. The mass is pushed against the spring such that the spring is compressed to be 10 cm shorter than its natural length, at which point the mass is released. What is the speed of the mass when the spring is 5 cm longer than its natural length (12 points)? 2b. Suppose that there is constant kinetic friction acting between the mass and the table in the part 2a) above, over the 15 cm horizontal distance that the mass travels. How much kinetic friction force would be necessary such that the mass has zero speed when it reaches the position above where the spring is 5 cm longer than its natural length (8 points)?...
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This test prep was uploaded on 04/18/2008 for the course PHYS 116a taught by Professor Maguire during the Spring '08 term at Vanderbilt.
 Spring '08
 Maguire
 Physics, Friction, Mass, Work

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