Answers created by Philip R.

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• Question #c31f2
  
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• Question #9af07
  
• Two objects have masses of `16 MG` and `22 MG`. How much does the gravitational potential energy between the objects change if the distance between them changes from `5 m` to `39 m`?
  
• What is the cross product of `<3 ,-4 ,-3 >` and `<-2 ,1 , -7 >`?
  
• Would beryllium, `1s^2 2s^2`, be attracted to a magnet?
  
• An airplane takes off from a location at 17° S. latitude and flies to a new location 55 degrees due north of its starting point. What latitude has the airplane reached?
  
• If a projectile is shot at an angle of `pi/2` and at a velocity of `37 m/s`, when will it reach its maximum height??
  
• What is the surface area of the solid created by revolving `f(x) =2x+5 , x in [1,2]` around the x axis?
  
• If sides A and B of a triangle have lengths of 5 and 2 respectively, and the angle between them is `(3pi)/8`, then what is the area of the triangle?
  
• Question #f5a07
  
• How do you find the amount of sugar in the tank after t minutes if a tank contains 1640 liters of pure water and a solution that contains 0.09 kg of sugar per liter enters a tank at the rate 5 l/min the solution is mixed and drains from the tank at the same rate?
  
• What is the derivative of `e^x * e^(2x) * e^(3x)* e^(4x)`?
  
• Question #13c34
  
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• Question #85d68
  
• How do you write the Simpson’s rule and Trapezoid rule approximations to the `intsinx/x` over the inteval [0,1] with `n=6`?
  
• What is momentum?
  
• How can I find out how long it takes for two objects to reach thermal equilibrium?
  
• How can the law of conservation of mass be applied?
  
• What happens when light passes through a diffraction grating?
  
• How does density affect the moment of inertia?
  
• How can I make an electromagnetic induction torch?
  
• Why does total internal reflection occur in a bicycle reflector?
  
• Question #b2296
  
• Question #c80f0
  
• Is it true that capacitors "store" charges? If so, how come the total amount of charge being supplied to a (capacitor containing) circuit, remains the same?
  
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• Question #90f27