Question

Total displacement of a student who walks 2 m east, 2 m north, 1 m west and 2m south. Find the total displacement ?

Answer 1

Step-by-step explanation:

Let the east direction to be

i

^

and north direction be

j

^

.

Thus displacement of the man

S

=8

i

^

+6

j

^

So, magnitude of displacement ∣

S

∣=

6

2

+8

2

=

100

=10 m

Answer 2

Step-by-step explanation:

√36.1 / 102.4 = ?

29/32

19/72

19/32

29/62

Correct Option: C

√36.1/102.4

= √361/1024

= 19/32

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Post your CommentLet the side of a cube is a cm

Given volume of a cube is 216 cm

3

⟹a

3

=216

⟹a=6

Surface area of cube is 6a

2

=6×6

2

=216 cm

2

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