Question

A physics teacher walks 4m
East, 2m
South, 4m west and then 2m North.
entire motion easted 24 second
calculate the
average speed and
average
velocity?​

Answer 1

Answer:

Explanation:

A physics teacher walked in four direction -

                               ⇒ North = 2 meter

                               ⇒ South = 2 meter

                               ⇒ East =  4 meter

                               ⇒ West = 4 meter

TO FIND ;-

⇒ What is the total distance travelled?

⇒What is the boy’s displacement from P?

SOL ;-

⇒ Let us first find the total distance travelled by the physics teacher -

⇒ Total. distance travelled = North + South + East + west

                                      ⇒ 2 + 2+ 4 + 4

                        

                                      ⇒ 12 meter 

⇒!2 meter is the distance travelled by the physics teacher.

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⇒ Now let us find the displacement of the teacher-

The displacement of the physics teacher is 0 because when the teacher walks towards  2 metre north which gets cancelled when she walks towards 2 metre south ,  and also when she walks 4 meter east so this gets cancelled by 4 meter west ,  so hence her dislacement is 0 

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