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You are asked to jog in a circular track of radius 35 metres. Right at one complete round on the circular track, your displacement and the distance covered by you are respectively

A. zero and 220 metres
B. 220 metres and zero
C. zero and 110 metres
D. 110 metres and 220 metres

User Ecodan
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Final answer:

When jogging around a circular track with a 35-meter radius, the distance covered is the circumference, approximately 220 meters, while the displacement is zero since you end up where you started. Centripetal acceleration is a key concept in circular motion.

Step-by-step explanation:

The question you're asking pertains to the concepts of displacement and distance in physics. When you jog one complete round on a circular track with a radius of 35 meters, the distance you cover is the circumference of the circle, which can be calculated using the formula C = 2πr, where r is the radius. In this case, the distance is 2π(35m) or approximately 220 meters. Displacement, on the other hand, refers to the straight-line distance from your starting point to your end point. After completing one round, your displacement is zero because you end up at your starting point.

Regarding the example discussing centripetal acceleration, this refers to the acceleration that a runner experiences while moving along a curved path. Centripetal acceleration can be calculated using the formula a_c = v^2/r, where v is the runner's speed and r is the radius of curvature of the path. This concept is essential for understanding the forces at play when an object moves in a circle.

User Yasushi Shoji
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