Find the distance covered by a cow tied with a rope 3.5 m long to a pole if it completes 1 round makin the rope stretched.......I will mark u as brainiest only if you answer in detail
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Answered by
29
Answer:
Given –
- Radius of the circular distance = 3.5.
- Cow completes 1 round around the pole.
To Find –
- Distance travelled.
Solution –
Distance covered will be the circumference of one round travelled by the cow.
➸ Circumference = 2πr
➸ Circumference = 2 * 22/7 * 3.5
➸ Circumference = 2 * 22/7 * 35/10
➸ Circumference = 2 * 22 * 5/10
➸ Circumference = 2* 22/2
➸ Circumference = 22 m
Hence, distance travelled by cow is 22 m.
IMPORTANT TERMS –
- Distance is the total path travelled by the body.
- Displacement is the shortest distance between the initial position and the final position of the body.
- Distance is a scalar quantity.
- Displacement is a vector quantity.
- Speed is the rate of change of distance.
- Speed is a scalar quantity.
- Velocity is the rate of change of displacement.
- Velocity is a vector quantity.
Answered by
14
Solution :
Question :
- Find the distance covered by a cow tied with a rope 3.5 m long to a pole.
- If it completes 1 round making the rope stretched.
To Find :
- Distance covered by a cow for 1 round.
Explanation :
Rope that is tied to the cow is nothing but radius of circle r .
and Distance covered by a cow is nothing but circumference of circle.
➸ Circumference of circle, C = 2πr
➸ C = 2π(3.5)
➸ C = 2*22/7*3.5
➸ C = 2*22/2
➸ C = 22
Hence , Distance covered by a cow is 22 meters
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