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If a particle moves along a path such that r : (3 sin t) m and ? : 2t rad, where t is in seconds. what is the particle's acceleration in m/s in 4 seconds? a)- 16.43 b)- 16.29 c)- 15.21 d)- 13.79

What are the major differences between injection molding and extrusion?

The proportional limit is always greater than the yield strength for a material. a)-trune b)- false