science
Grade-9
Easy

Question

A body starts from the rest and is in a uniformly accelerated motion. The coordinates of the endpoint of its graph are (x, y). Which of the following is the correct formula for the displacement of the body?

  1. y/x 
  2. x/y 
  3. ½xy 
  4. ½(y/x) 

hintHint:

½xy

The correct answer is: ½xy


    In the given graph the body starts from rest and is in a uniformly accelerated motion hence the slope will originate from the origin and has a straight line and the area under the slope will be of triangular shape.
    Area of triangle = 1 half cross times b a s e space cross times h e i g h t space
    Are of triangle = 1/2 xy

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