Questions asked by michael

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• How does mass affect the horizontal velocity and distance and drop time of a projectile?
  
• At what angle must a projectile be fired to travel 3.624m from a height of 1.012m?
  
• Why is #arcsin(sin(12pi))# = 0 and not 0 and #2pi#?
  
• The correct answer is #a=9/2#, but how could #a# be a fraction if George can only be awarded points as whole numbers?
  
• How do you find the derivative of #1-v^2/c^2#?
  
• How do you differentiate the following: #v=x^x#?
  
• Why doesn't the concentration of H3O+ decrease when you add HCl to water?