Given that the flow curve strain-hardening exponent 0.30 and strength coefficient 500 mpa, determine the tensile strength for the metal. note that tensile strength is an engineering stress. (hint: use the equations and example problems given in the supplemental information)

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The answer is that they are composed mostly of liquid water.

I'm having some difficulty seeing the diagram clearly.but the question says there's a net inward force on the object.so we know right away,  from newton's 2nd law of motion, thatthat baby is accelerating.  it doesn't even matter which way thenet force is pointing.  if there's any net force, then either theobject's speed or else its direction must be changing.