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A cyclist moves along a circular path of radius 70m. If he completes one round in 11s, calculate total length of path.
- a)40m
- b)440m
- c)0m
- d)11m
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
A cyclist moves along a circular path of radius 70m. If he completes o...
Radius of the circular path, r = 70m
Time takes to complete one round, t = 11s
Total length of the path, s = 2πr = 2*22/7*70 = 440m
Time takes to complete one round, t = 11s
Total length of the path, s = 2πr = 2*22/7*70 = 440m
Most Upvoted Answer
A cyclist moves along a circular path of radius 70m. If he completes o...
To find the total length of the path, we need to calculate the circumference of the circular path.
Formula for Circumference:
The circumference of a circle is given by the formula: C = 2πr, where C is the circumference and r is the radius of the circle.
Given information:
Radius (r) = 70m
Time taken to complete one round = 11s
Calculating the Circumference:
Using the formula for circumference, we can substitute the given radius value into the formula to find the circumference.
C = 2πr
C = 2 × 3.14 × 70m
C = 440m
Therefore, the total length of the path is 440m.
Hence, option B is the correct answer.
Formula for Circumference:
The circumference of a circle is given by the formula: C = 2πr, where C is the circumference and r is the radius of the circle.
Given information:
Radius (r) = 70m
Time taken to complete one round = 11s
Calculating the Circumference:
Using the formula for circumference, we can substitute the given radius value into the formula to find the circumference.
C = 2πr
C = 2 × 3.14 × 70m
C = 440m
Therefore, the total length of the path is 440m.
Hence, option B is the correct answer.
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A cyclist moves along a circular path of radius 70m. If he completes one round in 11s, calculate total length of path.a)40mb)440mc)0md)11mCorrect answer is option 'B'. Can you explain this answer?
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