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| 1. |
If co-ordinates ofa moving point at time t are given by x=a (l+sint) and y=a(1-cost), then: |
| Answer» <html><body><p>the slope of accelration time <a href="https://interviewquestions.tuteehub.com/tag/graph-17327" style="font-weight:bold;" target="_blank" title="Click to know more about GRAPH">GRAPH</a> is zero<br/>the slope of velocity-time graph is constnat <br/>the direction of motion <a href="https://interviewquestions.tuteehub.com/tag/makes-2811811" style="font-weight:bold;" target="_blank" title="Click to know more about MAKES">MAKES</a> an angle t/2 with <a href="https://interviewquestions.tuteehub.com/tag/x-746616" style="font-weight:bold;" target="_blank" title="Click to know more about X">X</a>-axis <br/>all of the above </p>Solution :`(dx)/(dt)=a(1+cos t),(dy)/(dt)=<a href="https://interviewquestions.tuteehub.com/tag/sint-2272597" style="font-weight:bold;" target="_blank" title="Click to know more about SINT">SINT</a>` <br/> `v=sqrt(((dx)/(dt))^(2)+((dy)/(dt))^(2))` <br/> `a=sqrt(((d^(2)x)/(dt^(2)))^(2)+((d^(2)y)/(dt^(2)))^(2))`</body></html> | |