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1 Expert Answer

Amadeo C. answered 02/27/20
Mathematics Graduate Student Cal State LA
v(t)=A(1-e^(-t/7s))
v(2.6s)=28m/s=A(1-e^(-2.6s/7s))=>A~40.59m/s
v(t)=40.59m/s(1-e^(-t/7s))
v'(t)=a(t)=40.59m/s(e^(-t/7s)/7)=>a(0)=40.59/7 m/s
As t->inf,v(t)->A=40.59m/s. Since as t->inf => e^(-t/7s)->0
As t-> inf , a(t)->0
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Robert C.
02/26/20