Question

an athlete runs around a rectangular track of dimensions 20 m × 15m. Find his distance and displacement after completion of half round.

Answer 1

150

Explanation:

the rectangle l × b

20×15

300

the half is

300÷2

150

Answer 2

Answer: distance= 35m

Displacement= 25m

Explanation:

Distance is the longest path covered b/w two points and can be calculated by adding the two dimensions. Whereas displacement is the shortest distance found by using Pythagoras theorem.