20 11 points previous answers scalcet7 102041 find

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20. 1/1 points | Previous Answers SCalcET7 10.2.041. Find the exact length of the curve. Solution or Explanation Click to View Solution 21. 1/1 points | Previous Answers SCalcET7 10.2.042.MI. Find the exact length of the curve. x = e t + e t , y = 5 2 t , 0 Solution or Explanation Click to View Solution u ( t ) = sin 6 t , cos 7 t , t v ( t ) = t , cos 7 t , sin 6 t , u ( t ) · v ( t ) . d dt u ( t ) = sin 8 t , cos 8 t , t v ( t ) = t , cos 8 t , sin 8 t , u ( t ) × v ( t ) . d dt x = 8 + 3 t 2 , y = 6 + 2 t 3 , 0 t 5 t 2
22. 2/2 points | Previous Answers SCalcET7 10.2.051. Find the distance traveled by a particle with position ( x , y ) as t varies in the given time interval. What is the length of the curve? 2 π

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