PLS ANSWER THE Q-3
QUES- FIND THE DISTANCE AND DISPLACEMENT DONE BY THE OBJECT WHEN IT STARTS FROM point A AND REACHES AT POINT
a) C
b) D
c) A
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PLS ANSWER THE Q-3
QUES- FIND THE DISTANCE AND DISPLACEMENT DONE BY THE OBJECT WHEN IT STARTS FROM point A AND REACHES AT POINT
a) C
b) D
c) A
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Answer:
a)C is the right answer
Explanation:
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Verified answer
Explanation:
Displacement is the shortest distance from the starting point to the final destination.
Distance is the length of the path that is travelled.
a) Distance travelled = AB + BC = 4 + 5 = 9 cm Displacement is to be calculated by Pythagoras theorem, for the shortest distance between A and C is the length of AC.
AC^2 = 4^2 + 5^2
AC^2 = 16 + 25
AC^2 = 41
AC = √41
b) Distance travelled = AB + BC + CD = 4 + 5 + 4 = 13cm
Displacement = AD = 5 cm
c) Distance travelled = AB + BC + CD + DA = 4+5+4+5 = 18cm
There is no change in position, hence the displacement is 0.
I hope this helps. :D