Answers edited by Arunraju Naspuri

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• How does power relate to torque?
  
• How do you simplify #sqrt6 * sqrt6#?
  
• How do you simplify #(15x^2 - 9x + 9) - (13x^2 + 15x + 5) - (-16x^2 + 20x + 16) - (-7x^2 + 10x - 10)#?
  
• The quadratic equation in x is x2 + 2x.cos(A) + K=0. &also given summation and difference of solutions of above equation are -1 & -3 respectively. Hence find K & A?
  
• How do you solve #sin3x=1/2#?
  
• How do you solve #0=p^2-p-11#?
  
• What is electromagnetic induction in physics?
  
• The resistance of a conductor is 5 ohm at 50*c and 6 ohm at 100*c.Its resistance at 0*is??THANK YOU!!
  
• An object moves with velocity of 20km/hr in the first 1/3rd of total distance and moves with 60km/hr in the second 1/3rd of total distance. What is average velocity up to 2/3 rd of total distance?
  
• As frequency increases, does series and parallel RC impedance decrease?
  
• What is the impedance of an ac RC parallel circuit if the resistance is 12 ohms and the capacitive reactance equals 5 ohms?
  
• Question #e40ab
  
• How do you prove #tan theta cot theta=1#?
  
• Question #dd117
  
• If the sum of two unit vectors is a unit vector, what is the magnitude of the difference of the two vectors?
  
• How do you integrate #x^2/sqrt(9-x^2) dx#?
  
• A cell of e.m.f. E and internal resistance r is connected across an external resistance nr.The ratio of terminal potential difference to e.m.f. is?...in terms of n only? Thank u!!!