An athlete completes one round of a circular track of radius R in 80 sec. What will be his displacement at the end of 4 min 60 second?

Question

An athlete completes one round of a circular track of radius R in 80 sec. What will be his displacement at the end of 4 min 60 second? (A) 2π R (B) 3π R (C) √2R (D) Zero

Tardigrade Admin · Accepted Answer

<img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/physics/7c26953e77fc1336fa129f25bd931877-.png" /> ∴ Displacement is line segment mathrmAB A B=√R2+R2=√2 R

Q. An athlete completes one round of a circular track of radius $R$ in $80$ sec. What will be his displacement at the end of $4$ min $60$ second?

$2 π R$

$3 π R$

$2 R$

$Z ero$

$∴$ Displacement is line segment $AB$ $A B = R^{2} + R^{2} = 2 R$

Q. An athlete completes one round of a circular track of radius R in 80 sec. What will be his displacement at the end of 4 min 60 second?

2πR

3πR

2​R

Zero