Answers created by RChatterz

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• A body of mass 10kg is moving with a velocity (6i +8j) at a certain instant. it's K.E will be. A) 250J B) 500J C)100 J D) 1000J ...?
  
• Why test charge is positive?
  
• An electron with a velocity of #1×10^7 ms^-1# enters a magnetic field of strength #10 T# aligned perpendicular to the direction of motion of the electron. Calculate the radius of the orbital path that the electron now follows?
  
• An object has a kinetic energy of 500 J due to its linear motion. What would be the kinetic energy of an object with half the mass and twice the momentum?
  
• If log 3 base a=2 and log 8 base b=3,then logged b base a is?