Answers created by mradul tiwari

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• How do you determine if #sec60^circ<sec75^circ# is true or false?
  
• A ball strikes a horizontal floor at an angle of 45degrees with the normal to the floor. The coefficient of restitution between the ball and the floor is 0.5. The fraction of its kinetic energy lost in collision is??
  
• At a construction site, a bolt slips over the edge of a steel girder, which is 35 m above the ground. At the same instant, an apple is thrown vertically upwards from the ground with a speed of 15 m/s. How do you solve parts a) and b)?
  
• Six years hence a man's age will be 3times the age of his son and 3 years ago he was 9times as old as his son.find their present age?
  
• Find the angle between the line #(x-2)/3=(y+3)/3=(z-1)/1# and the plane #2x-3y+4z=0# ?
  
• Why is there no value for the covalent radius for argon?
  
• Question #7a381
  
• How do we determine #D# and #L# terms, and how do they relate to absolute configuration?
  
• Question #d570d
  
• How are SN1 reactions solved?
  
• Why is ether used as the solvent during Grignard reactions?
  
• Question #627ef
  
• How do you find the period and amplitude of #y=2/3cos((pix)/10)#?
  
• Question #04e3a
  
• Complete the reaction: #HCN + 2H_2O -> ?# Also, how is oxamide prepared? What is the reaction for its preparation?
  
• how does the two kinds of reflection obeys the law of reflection?
  
• Question #cc120
  
• Question #10b00
  
• Question #86ac6
  
• How are sigma bonds identified?
  
• Question #66ea0
  
• How do you simplify #\frac{u^{2}+3u+2}{2u^{2}-8}#?
  
• How do you evaluate #sec^-1(sec((7pi)/10))#?
  
• According to Newton's first law, when standing in an elevator accelerating upwards quickly, in which direction in your body are you likely to feel the blood rush?
  
• How do you solve #17a = 41#?
  
• How do you simplify #\frac { ( 5x ^ { 5} y ) ^ { - 3} } { x ^ { - 9} y ^ { - 8} } #?
  
• How do you solve #-19x \leq 114#?
  
• How do i solve cos (-60(degrees)) to exact values?
  
• What is the derivative of #y= (cos pi x)/(sin pi x + cos pi x)#?
  
• Question #5d083
  
• Question #3fa8f
  
• Question #3a7d0
  
• Question #20564
  
• How do you write the interval (-∞, -3) U (-3, ∞) as an inequality involving x and show each inequality using the real number line?
  
• Why is benzene reluctant to undergo addition reactions?
  
• Question #7e4f9
  
• How do you name anhydrides?
  
• Question #92680
  
• How do you solve #x^ { 3} + 6x ^ { 2} - 36x \leq 216#?
  
• How do you differentiate #f(x)= (x) / (csc(x)+8)#?
  
• How do you graph #r=6+2sintheta#?
  
• How do you use the important points to sketch the graph of #y = -1/3x²#?
  
• Question #0dc0b