Answers created by shreya737

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• What is the wavelength of light with a frequency of #2.50 \times 10^13 s^-1# ?
  
• How do you evaluate the indefinite integral #int (4x^5-6x^3+7x^2-8)dx#?
  
• How did Ernest Rutherford's alpha particle scattering experiments help him to reject the 'plum pudding' model of the atom and create a more accurate model?
  
• How do you write an equation of a line given (3, 5) and (-6, -1)?
  
• Question #4d509
  
• According to the following reaction, how many grams of hydrogen peroxide (#H_2O_2#) are necessary to form 0.182 moles oxygen gas?
  
• How is wavelength determine for a longitudinal wave?
  
• How do you solve #\frac { 9y + 8} { 4} = \frac { 3y + 5} { 2} + 7#?
  
• What are the fourteen punctuation marks in English grammar? Can anyone name them all?
  
• How does air pollution cause acid rain?
  
• Does the study of astrophysics include astrochemistry?
  
• What is the difference between astrophysics and astronomy?
  
• The length of a shadow of a building is 29 m. The distance from the top of the building to the tip of the shadow is 38 m. How do you find the height of the building?
  
• How were the strong and weak fundamental forces discovered?
  
• How is the word "hyperbole" used in a sentence?
  
• How does the earth spinning affect gravity?
  
• How does the atmosphere affect the hydrosphere?
  
• What is Radon? Should you worry about it?
  
• How many days can the body survive without water?
  
• What is the effect of Caesura?
  
• a) How to plot the demand and supply curves on a two-dimensional diagram ? b) What is the equilibrium price and equilibrium quantity traded ? c) What is the value of excess demand or supply when price is (i) $8, (ii) $13 ?
  
• Question #e1ad7
  
• What is proper motion?
  
• What is a "sense pause"?
  
• How are planetary nebulae detected?
  
• How long did it take for our galaxy to be formed?
  
• What is the most common intrusive rock? Where is it found?
  
• Is there a blackhole in the middle of the Earth?
  
• What is a baseline in astronomy?
  
• How close was the Moon to the Earth during it's formation?
  
• What is the size of the observable universe? How do scientists know how big the invisible portion is if they can't see it?