Answers created by Stuart W.

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• Question #5d8df
  
• What is the surface area to volume ratio for a cube that measures 4 cm on each side?
  
• How do capacitors fail?
  
• Question #3d3b7
  
• Question #13710
  
• Question #fb158
  
• What is the difference between an isotope and a radioisotope?
  
• What are viruses?
  
• What does wavelength, frequency, and inverse relationship mean?
  
• What role does ATP play in metabolism?
  
• What is the specific heat capacity of lead?
  
• A 7.3 kg bowling ball and a 8.1 kg bowling ball rest on a rack 1.27 m apart. What is the force of gravity exerted on each of the balls by the other ball?
  
• How would you balance: Al(s) + HNO3(aq) --> Al(NO3)3(aq) + H2(g)?
  
• How do you solve #3x + 9x = 60#?
  
• How can viruses nourish themselves?
  
• A hot air balloon begins its descent at a rate of 22#1/2# feet per minute. How long will it take for the balloon' s elevation to change by —315 feet?
  
• The wind exerts a force of 452 N north on a sailboat, while the water exerts a force of 325 N west on the sailboat. What is the magnitude and direction of the net force on the sailboat?
  
• How is energy conserved in an endothermic reaction?
  
• What is the mass number of oxygen?
  
• How does air resistance affect the motion of an object?
  
• Two groups of canoeists meet in the middle of a lake. A person in canoe 1 pushes on canoe 2 with a force of 46 N to separate the canoes. If the mass of canoe 1 and its occupants is 130 kg, and the mass of canoe 2 and its occupants is 250 kg, after 1.20s?
  
• What is the use of plane mirrors?
  
• How does the polarity of a substance affect its solubility in water?
  
• How does energy relate to wavelength and frequency?
  
• How does wavelength affect lasers?
  
• What is the oxidation number of iron in Fe3O7 ?