During operation the breaker hammer develops on the concrete surface a force which is indicated in the graph. To achieve this the 2-lb spike S is fired from rest into the surface at 200 ft/s. Determine the speed of the spike just after rebounding. Partial Ans. v = 89.8 ft/s F (10') Ib 112.5 90 67.5 45 22.5 0 0.1 0.2 t (ms) 0.4 0.3

During operation the breaker hammer develops on the concrete surface a force which is indicated in the graph. To achieve this the 2-lb spike S is fired from rest into the surface at 200 ft/s. Determine the speed of the spike just after rebounding. Partial Ans. v = 89.8 ft/s F (10') Ib 112.5 90 67.5 45 22.5 0 0.1 0.2 t (ms) 0.4 0.3

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Classification of types of corrosion

Corrosion is described as the process in which a certain element is degraded or deteriorated due to the presence of multiple chemicals in the surrounding. Generally, corrosion happens if all the subatomic particles on a metallic object are oxidized, for example, rust on iron structures. In air or water, metals lose electrons to other particles (like oxygen), leading to the formation of an oxide with the metal.

Question

Please help with the following problem

2)
During operation the breaker hammer develops on the
concrete surface a force which is indicated in the graph. To
achieve this the 2-lb spike S is fired from rest into the
surface at 200 ft/s. Determine the speed of the spike just
after rebounding.
F (10°) lb
112.5
90
67.5
Partial Ans. v = 89.8 ft/s
45
22.5
t (ms)
0.4
0.1
0.2
0.3

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