an object is moving in a circular path of radius 7cm, what will be the displacement of the object after it has covered 44 cm along its path
Answers
Answer:
0
Step-by-step explanation:
Circumference of the circle = 2πr =2*22/7*7 = 44 cm
The object has covered 44 cm that is one round of the circle hence the object is at its initial position.
therefore, displacement = 0
NOTE: don't confuse between distance and displacement. Distance is 44 cm but diaplacement is 0.
Given : An object is moving in a circular path of radius 7cm.
To Find : the displacement of the object after it has covered 44cm along its path.
1) 44cm
2)22cm
3) 0
4) none
Solution:
Displacement = Final position - Initial position
circular path of radius 7cm.
Circumference = 2 π (radius)
Circumference = 2 ( 22/7) * 7 = 44 cm
Hence in distance of 44 cm object reached back to initial position.
Hence Final position and initial position are same
=> Displacement = 0
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