Physics-
General
Easy

Question

A Body moves 6 m blanknorth.8 m east and 10blank m vertically upwards, what is its resultant displacement from initial position

  1. 10 square root of 2 m end root  
  2. 10blank m  
  3. fraction numerator 10 over denominator square root of 2 end fraction m  
  4. 10 cross times 2 m  

The correct answer is: 10 square root of 2 m end root


    stack r with rightwards arrow on top equals x stack i with hat on top plus y stack j with hat on top plus z stack k with hat on top blank therefore r equals square root of x to the power of 2 end exponent plus y to the power of 2 end exponent plus z to the power of 2 end exponent end root
    r equals square root of 6 to the power of 2 end exponent plus 8 to the power of 2 end exponent plus 10 to the power of 2 end exponent end root equals 10 square root of 2 m

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