In Figure, a 3.5 kg block is accelerated from rest by a compressed spring of spring constant
Question:
In Figure, a 3.5 kg block is accelerated from rest by a compressed spring of spring constant 640 N/m. The block leaves the spring at the spring's relaxed length and then travels over a horizontal floor with a coefficient of kinetic friction ?k= 0.25. The frictional force stops the block in distance D = 7.8 m. What are??
(a) The increase in the thermal energy of the block-floor system,
(b) The maximum kinetic energy of the block, and?
(c) The original compression distance of the spring?
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a The vertical forces acting on the block are the normal force upward and the force of gr...View the full answer
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Related Book For 
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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