Answers created by Daniel W.

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• Is heat transferred in our atmosphere by conduction?
  
• How does destructive interference affect the amplitude of a wave?
  
• Question #7ea68
  
• How do roller coasters use the law of conservation?
  
• Who discovered conservation of energy?
  
• When In the absence of air resistance, why does the horizontal component of velocity for a projectile remain constant while the vertical component of free fall?
  
• Does the coefficient of restitution change?
  
• A bolt is to be tightened with a torque of 8.0 N*m. If you have a wrench that is 0.35 m long, what is the least amount of force you must exert?
  
• How does the frequency of a wave affect the wavelength?
  
• Question #4ee98
  
• If a sound has a fundamental frequency of 100Hz. What is the frequency of the first 5 harmonics of this tone?
  
• How do you calculate acceleration of gravity?
  
• Use Newton's second law of motion to calculate the acceleration of a 7kg mass if a force of 68.6N acts on it?
  
• A 7x10^-6F and 3x10^-6F capacitor are connected in series across a 24V battery? What voltage is required to charge a parallel combination of the two capacitors to the same total energy?
  
• Question #4d985
  
• How does matter change from one state to another?
  
• Can energy be changed from one form to another?
  
• Question #75890
  
• How is Coulomb's law different than Newton's law of gravitation?
  
• How is the doppler effect used in an ultrasonography diagnostic?
  
• What are some examples of standing waves?
  
• How are standing waves and resonance applied to musical instruments?
  
• How can electromagnetic waves be harmful?
  
• How are a wave's energy and amplitude related?
  
• Question #5038d
  
• Question #242cf
  
• How do standing waves form?
  
• How does resonance affect the sound quality of a musical instrument?
  
• Question #e35d4
  
• Is the total momentum always conserved between any two objects involved in a collision?
  
• What are some common mistakes students make with capacitance?
  
• Four 0.15 µF capacitors are in parallel. What is the total capacitance?
  
• What is the difference between distance and displacement?
  
• How do capacitors discharge?
  
• Question #2555d
  
• How can I calculate capacitors in parallel?
  
• How can I calculate capacitors in series?
  
• How does physics relate to music?
  
• Question #886e9
  
• Question #35793
  
• What are some examples of a coefficient of restitution?