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?