A cow walks along the circumference of a ground and stop at a point such that she has travelled a distance of 3pi/2 . what is the displacement? the radius of the ground is 1m.
please if you don't know not need to give answer.
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11th
Physics
Motion in a Straight Line
Distance and Displacement
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PHYSICS
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A cow is tied to a pole with a rope. The cow moves in a circular path keeping rope straight. When it covers a distance of 44 metres an angle of 72
∘
is subtended at the centre. The length of the rope is
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December 26, 2019
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Bipin Malathi
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ANSWER
Cow moves n while circle with radius=x
Perimeter=2πr
360
2πx
=
72
44
x=
72
44
×
2π
360
=
22
11×5×7
=17.5m
Now the length of the rope=17.5×2
=35m
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