Answers edited by Rory H.

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• A charge of #24 C# passes through a circuit every #9 s#. If the circuit can generate #8 W# of power, what is the circuit's resistance?
  
• What torque would have to be applied to a rod with a length of #1 m# and a mass of #2 kg# to change its horizontal spin by a frequency of #6 Hz# over #4 s#?
  
• Question #3260c
  
• What is the equation of the line that is normal to #f(x)= sqrt( x^3-3x+2) # at # x=5 #?
  
• What evidence do we have for the change in size of the universe?
  
• How do you find the derivative of #cos^2(x^2-2)#?
  
• How much power is produced if a voltage of #8 V# is applied to a circuit with a resistance of #16 Omega#?
  
• How do you find the polar coordinate for (-12, -12)?
  
• What is the ratio of the energy of a photon to its frequency?
  
• Question #6f2c6
  
• Question #25b4e
  
• A charge of #36 C# passes through a circuit every #6 s#. If the circuit can generate #6 W# of power, what is the circuit's resistance?
  
• The force applied against a moving object travelling on a linear path is given by #F(x)= x^2+e^x #. How much work would it take to move the object over #x in [3,7] #?
  
• What is the slope of a line perpendicular to the line whose equation is #y = -2/3x-5#?
  
• What percent of 80 is 20?