Answers edited by Truong-Son N.

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• How do you find the amplitude, period, phase shift, and vertical shift for #y = 5 - 3 sin (2theta - pi)#?
  
• How do you find the exact value of #tan^-1(tan((2pi)/3))#?
  
• A 20 N crate starting at rest slides down a rough 5m long raml ,inclined at 25° with the horizontal. 20 j of energt is lost to friction. What will be the speed of the crate at the bottom of the incline?
  
• What is the formula for tension??
  
• Is f(x)=x^2-1 a quadratic function?
  
• How do you divide #(v^3+27)/(v+3)#?
  
• What is the heat capacity of water?
  
• How do you find the exact values of cos 22.5 degrees using the half angle formula?
  
• How do you verify #(1-cos2x)/ tanx = sin2x#?
  
• If one bullet is fired at #30^@# and another at #60^@# with respect to the horizontal, given the appropriate amount of time for them both to travel as far as they can and hit the ground, what are their respective ranges?
  
• How do colligative properties affect freezing point?
  
• True or false? A successful collision requires that molecules merely have to collide for a reaction to occur.
  
• How can tan 4x be simplified or sec 2x?
  
• What is an example of a orbital probability patterns practice problem?
  
• Can entropy be graphed in a phase diagram?
  
• How do you simplify #(1+cos y)/(1+sec y)#?
  
• What is the atomic mass with respect to all known atomic isotopes?
  
• How do you graph #y= (x+1)^2 -10 #?
  
• Why does freezing point decrease when you add nonvolatile solute? How does chemical potential change?
  
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