Questions asked by yash

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• A particle moves along a straight line such that its displacement any time t is given by: s=( #t^3 - 3t^2 +2#)m. The displacement when the acceleration becomes zero is?
  
• An engine of a train moving with uniform acceleration passes an electric pole with velocity u and last compartment with velocity v. The middle point of the train passes past the same pole with a velocity of?
  
• Maximum number of mol of #PbSO_4# that can be precipitated by mixing 20.00 ml of 0.1 M #Pb(NO_3)_2# and 30.00 ml of 0.1 M #Na_2SO_4# will be?
  
• Prove that? #sqrt(2+sqrt(2+sqrt(2+2cos8theta# = #2costheta#
  
• What is the cube root of one?
  
• At #"340 K"# and #"1 atm"#, #"N"_2"O"_4# is #66%# dissociated into #"NO"_2#. What volume would #"10 g"# of #"N"_2"O"_4# occupy under these conditions?