Question

Pls answer this question fast

Pls pls .....answer fast
Explain properly

Answer 1

Answer:

R√2

Explanation:

simply using Pythagoras theorem,

R² + R² = 2R² = displacement²

displacement = R√2

u can also use the formula

2Rsin∅/2

Answer 2

Answer:

it will be displacement is shortest distance between initial and final point

so we can consider a triangle..

it will be root2 r