just walked by

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Questions

The following questions were asked by visitors named just walked by.

Answers

The following answers were posted by visitors named just walked by.

a=(v2-v1)/t a=(20-8)/4=3m/s^2

f'(x)=(√(x))'*(sin(pix))+(sin(pix))'*(√(x))=1/2*(x)^(-1/2)*(sin(pix))+cos(pix)*(pi)*(√(x)) 2) f'(x)=(1/2(cosx+sinx)^(-1/2))(cos(x)+sin(x))'=(1/2(cosx+sinx)^(-1/2)*(-sin(x)+cos(x))

A=m(g+a)h=75(9.8+1.2)*8.85=7,301.25Joules