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Grade 11Mechanics

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The position of a particle moving along X-axis is given by x=At+4Bt3.What is its velocity at t=5s?

Profile image of Subhajit Dhar
8 Years agoGrade 11
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1 Answer

Profile image of Onkar Joshi
8 Years ago
Position of vector=At+Bt^3Velocity is given by=dx/dtVelocity=d(At+Bt^3)/dt=A+12Bt^2So velocity at 5s= A+12*(5)^2B=A+300B