x(4)=5+10*4+4*4^2=45+64=109 x=x0+v0*t+at^2/2, a=8; v0=10.
v(t)=v0+a*t=10+8t
v(4)=10+8*4=42
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x(4)=5+10*4+4*4^2=45+64=109 x=x0+v0*t+at^2/2, a=8; v0=10.
v(t)=v0+a*t=10+8t
v(4)=10+8*4=42