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Schach [20]
2 years ago
13

Which is observed globally: "Earth Day" or "Arbor Day"?

Physics
2 answers:
sattari [20]2 years ago
8 0
Earth day is more globally observed. Arbor day is lowkey rare
neonofarm [45]2 years ago
5 0

Answer:

Earth Day is observed globally

Explanation:

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Which letter on the diagram below represents the trough of a wave?
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3.7. A dog searching for a bone walks 3.50 m south, then 8.20 m at an angle 23.1 degrees north of east, and finally 15.0 m west.
andriy [413]

Answer:

Explanation:

We shall represent displacement of dog in vector form , in terms of i , j , i representing east  and  j representing north .

Dog travels 3.5 m south .

Displacement D₁ = - 3.5 j

then dog travels 8.2 m , 23.1 degree north of east

Displacement D₂ = 8.2 cos23.1 i + 8.2 sin23 j

D₂ = 8.2 cos23.1 i + 8.2 sin23.1  j

= 7.54 i + 3.22 j  

Third displacement

D₃ = - 15i

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= - 3.5 j + 7.54 i + 3.22 j  -15i

= - 7.46 i - 0.28 j

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= √(55.65 + .08 )

= 7.46 m

b ) Direction of displacement

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Ф = .082 degree south of west or almost west .

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2 years ago
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