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Question-70798

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Question Number 70798 by jagannath19 last updated on 08/Oct/19
Commented by jagannath19 last updated on 08/Oct/19
with explanation please sir
withexplanationpleasesir
Answered by mind is power last updated on 08/Oct/19
v=(dx/dt) lets find equagion of v(x) v(x)=ax+b line a=((8−0)/(0−4))=−2 v(0)=b=8 ⇒v(x)=−2x+8 ⇒(dx/dt)=−2x+8 a=(dv/dt)=(d/dt)(−2x+8)=−2(dx/dt)=−2v ⇒a(x)=−2v(x) a(x)=−2(−2x+8)=4x−16 a(0)=−16 a(4)=0⇒ draw (2) answer
v=dxdtletsfindequagionofv(x)v(x)=ax+blinea=8−00−4=−2v(0)=b=8⇒v(x)=−2x+8⇒dxdt=−2x+8a=dvdt=ddt(−2x+8)=−2dxdt=−2v⇒a(x)=−2v(x)a(x)=−2(−2x+8)=4x−16a(0)=−16a(4)=0⇒draw(2)answer

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