Question

plz help

A person is moving in a straight line for 5 km then he returned back along same straight line for 7 km. What is displacement? *


2 KM

12 KM

-2 KM

None of above



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Answer 1

Question :-

A person is moving in a straight line for 5 km then he returned back along same straight line for 7 km. What is displacement? *

○ 2 KM

○ 12 KM

○ -2 KM

○ None of above

Answer :-

○ -2 KM

Answer 2

Step-by-step explanation:

- 2km

because he had returned