Question

If on a round trip you went 15 km and then arrive back home:
a)What is the total distance
b) What is the total displacement
Pls Show Working

Answer 1

Answer:

see mate total distance is the length of actual path so here the distance is 15 km and displacement is 0 as the motion is in a circular path

Explanation:

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Answer 2

Answer:

a) Total distance = 30 km

b) Total displacement = 0 km.

Explanation:

Let's take the starting point (home) as A and the reached destination as B.

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Question - a)What is the total distance?

$\blue\bigstar$ Answer - The total distance would be = distance from A to be B(while departing) + distance from B to A (while arriving back) = 15+15 = 30 km.

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Question - b) What is the total displacement?

$\blue\bigstar$Answer-Displacement refers to the shortest distance from the initial point to the final point, and as the initial point(home) and final point were same, displacement will remain 0 m.