Question

a circular track has circumference of 314 m a cyclist moves along the circumference and completes
one round in half an hour .Find his distance and displacement after 45 minutes


please don't copy from Google & give correct answer in short.
​

Answer 1

Explanation:

The cyclist needs half an hour to complete one round.

So after 30 minutes cyclist will complete one round. So now 15 minutes are left out of 45 minutes which is exactly half the time taken to complete one round.

So the cyclist will complete half round which is 157 m.

Therefore the total distance covered will be 314 + 157 = 471 m.

Displacement is the distance of the straight path between the current position and initial position.

After 45 min cyclist will be exactly at the opposite diametric point.

Since circumference = 2*pie*r = 314(for given problem)

2*r = 100

Displacement = diameter = 2*r = 100

Answer 2

Answer:

The cyclist needs half an hour to complete one round.

The cyclist needs half an hour to complete one round.So after 30 minutes cyclist will complete one round. So now 15 minutes are left out of 45 minutes which is exactly half the time taken to complete one round.

The cyclist needs half an hour to complete one round.So after 30 minutes cyclist will complete one round. So now 15 minutes are left out of 45 minutes which is exactly half the time taken to complete one round.So the cyclist will complete half round which is 157 m.

The cyclist needs half an hour to complete one round.So after 30 minutes cyclist will complete one round. So now 15 minutes are left out of 45 minutes which is exactly half the time taken to complete one round.So the cyclist will complete half round which is 157 m.Therefore the total distance covered will be 314 + 157 = 471 m.

The cyclist needs half an hour to complete one round.So after 30 minutes cyclist will complete one round. So now 15 minutes are left out of 45 minutes which is exactly half the time taken to complete one round.So the cyclist will complete half round which is 157 m.Therefore the total distance covered will be 314 + 157 = 471 m.Displacement is the distance of the straight path between the current position and initial position.

The cyclist needs half an hour to complete one round.So after 30 minutes cyclist will complete one round. So now 15 minutes are left out of 45 minutes which is exactly half the time taken to complete one round.So the cyclist will complete half round which is 157 m.Therefore the total distance covered will be 314 + 157 = 471 m.Displacement is the distance of the straight path between the current position and initial position.After 45 min cyclist will be exactly at the opposite diametric point.

The cyclist needs half an hour to complete one round.So after 30 minutes cyclist will complete one round. So now 15 minutes are left out of 45 minutes which is exactly half the time taken to complete one round.So the cyclist will complete half round which is 157 m.Therefore the total distance covered will be 314 + 157 = 471 m.Displacement is the distance of the straight path between the current position and initial position.After 45 min cyclist will be exactly at the opposite diametric point.Since circumference = 2*pie*r = 314(for given problem)

The cyclist needs half an hour to complete one round.So after 30 minutes cyclist will complete one round. So now 15 minutes are left out of 45 minutes which is exactly half the time taken to complete one round.So the cyclist will complete half round which is 157 m.Therefore the total distance covered will be 314 + 157 = 471 m.Displacement is the distance of the straight path between the current position and initial position.After 45 min cyclist will be exactly at the opposite diametric point.Since circumference = 2*pie*r = 314(for given problem)2*r = 100

The cyclist needs half an hour to complete one round.So after 30 minutes cyclist will complete one round. So now 15 minutes are left out of 45 minutes which is exactly half the time taken to complete one round.So the cyclist will complete half round which is 157 m.Therefore the total distance covered will be 314 + 157 = 471 m.Displacement is the distance of the straight path between the current position and initial position.After 45 min cyclist will be exactly at the opposite diametric point.Since circumference = 2*pie*r = 314(for given problem)2*r = 100Displacement = diameter = 2*r = 100

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