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EXERCISE-ill (Analytical Questions)Position of a particle moving along x-axis is given 9,by x 2+ 8particle from t 0 to t 2 ise distance travelled by the(2) 8(3) 12(4) 16 |
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Answer» v= dx/dt= 8-8*t at t=1 you get v=0 and the particle stops and reverses direction split the integral of v into two region 0<=t<=1 and 1<t<=2 and later add them together and get the solution x1= 8*t-4*t^2 ....8*1-4*1^2= 4 m x2 = [0-(8-4)] = 4 m x=x1+x2 = 8 m why we did integration of v |
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