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The velcocity displacement graph of a particle moving along a straight line is shown in figure. The velocity as function of `x(0lexle1)` isA. `-10x`B. `-10x+10`C. `10x-10`D. `-10x^2+10x+10` |
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Answer» Correct Answer - B The standard equation of straight line is `y=mx+c` `because` `v=mx+c` at `x=0`,`v=10(m)/(s)` `10=mxx0+c` or `c=10` or `v=mx+10` At `x=1`,`v=0` `0=mxx1xx10` or `m=-10` `v=-10x+10` |
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