Answers created by anantha n.

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• Assume that in interstellar space the distance between two electrons is about 0.47 cm. What is the electric force between the two electrons?
  
• Magnetic field lines can be entirely confined within the core of a toroid, but not within a straight solenoid. Why?
  
• How do you multiply #(3x - 1) ( 5- 4x )#?
  
• A pencil costs $0.27 and a pen costs $0.32. You buy six pencils and the total cost is $4.18. How many pens did you buy?
  
• The set department has a 5 foot board. They cut 2 segments that are #1 1/2# foot each. How much of the board is left?
  
• How do you find the intercepts for #2x-y= -4#?
  
• Is 6 to 4 and 9 to 6 proportional?
  
• What factor affects the transmission of an electromagnetic wave through a medium?
  
• How do you solve the following system of equations?: #x+y= -2 , x-2y=13#?
  
• How much energy is required to excite an electron in the ground state in a hydrogen atom to the third excited state? How much more energy would it take to ionise the atom ?
  
• 2. If the figure to the right shows the reflected ray from the mirror. Which one of the figures below shows the incident ray?
  
• Show that the points (-1,4,-3) , (3,2,-5) , (-3,8,-5) and (-3,2,1) are coplanar?
  
• Double Slit Question?
  
• A convex lens of focal length 40cm is in contact with a concave lens of focal length 25cm . Calculate the power combination ?
  
• If a projectile is shot at an angle of #(2pi)/3# and at a velocity of #5 m/s#, when will it reach its maximum height?
  
• What is the magnitude of the electrostatic force of a 1.5 x 10–3 c charge located 1.5 m away?
  
• An object is placed at a distance of 30 cm in front of a convex mirror of focal length 15 cm .find the nature and position of image ?
  
• Question #b667f
  
• How do you find the local maximum and minimum values of #f ' (x) = (x^2 -9)#?
  
• Question #2eed1
  
• Question #194ef
  
• Question #1bfc9
  
• Integral xy d(xy)?
  
• Given that,#y=sqrt(4x-7)-2/3(x-4)# find #dy/dx# and show that#(d^2y)/dx^2=(-4)/((4x-7)sqrt(4x-7)#. Hence find the maximum point of the curve?
  
• Question #6dc3b
  
• Josh was skiing down a slope where the angle of elevation was 14 degrees. The length of the slope was 1500 feet, what was the vertical drop of the slope?
  
• Question #3e1d2
  
• How do you find the solution to #2-sectheta=5+sectheta# if #0<=theta<360#?
  
• Question #a77d0
  
• Question #1e285
  
• Question #1ad28
  
• How do you sketch the graph of #y=-1/4x^2# and describe the transformation?
  
• How to draw a BN molecular orbital diagram?
  
• How do you find the least common multiple of 24 and 124?
  
• How do you graph #y=-2sqrtx+2#, compare to the parent graph, and state the domain and range?
  
• How do you simplify #\frac { y ^ { 3} } { 14} \cdot \frac { 8} { 5y ^ { 3} }#?
  
• What is the equation of the tangent line of #f(x) =((x+3)(x-1))/e^x# at #x=-3#?
  
• Question #a165f