In Figure, a block of mass m = 2.5 kg slides head on into a spring of
Question:
In Figure, a block of mass m = 2.5 kg slides head on into a spring of spring constant k = 320 N/m. When the block stops, it has compressed the spring by 7.5 cm. The coefficient of kinetic friction between block and floor is 0.25. While the block is in contact with the spring and being brought to rest, what are?(a) The work done by the spring force and(b) The increase in thermal energy of the block-floor system?(c) What is the block's speed just as it reaches thespring?
Step by Step Answer:
a With x 0075 m and k 320 Nm Eq 726 yields W kx 090 J For later refe...View the full answer
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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