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3 years ago

According to the Big Bang Theory, the universe is __________________. A) constant B) depleting C) expanding D) exploding

Physics

2 answers:

DiKsa [7]3 years ago

6 0

C) expanding hope this answer helps

natta225 [31]3 years ago

5 0

C.) <span>According to the Big Bang Theory, the universe is "Expanding"

Hope this helps!</span>

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3 years ago

A forward honzontal force of 50 N is applied to a crate. A second horizontal force o

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Explanation:

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A mail carrier leaves the post ofﬁce and drives 2.00 km to the north. He then drives in a direction 60.0° south of east for 7.00

Oxana [17]

Answer:

12.97 km

Explanation:

In order to find the resultant displacement, we have to resolve each of the 3 displacements along the x and y direction.

Taking north as positive y direction and east as positive x-direction, we have:

- Displacement 1: 2.00 km to the north

$A_x = 0\\A_y = +2.00 km$

- Displacement 2: 60.0° south of east for 7.00 km

$B_x=(7.00)(cos (-45^{\circ}))=4.95 km\\B_y = (7.00)(sin (-45^{\circ}))=-4.95 km$

- Displacement 3: 9.50 km 35.0° north of east

$C_x=(9.50)(cos 35^{\circ})=7.78 km\\C_y=(9.50)(sin 35^{\circ})=5.45 km$

So the net displacement along the two directions is:

$R_x=A_x+B_x+C_x=0+4.95+7.78=12.73 km\\R_y=A_y+B_y+C_y=2.00+(-4.95)+5.45=2.50 km$

So, the distance between the initial and final position is equal to the magnitude of the net displacement:

$R=\sqrt{R_x^2+R_y^2}=\sqrt{12.73^2+2.50^2}=12.97 km$

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3 years ago

What does a Battery and a human have in common?

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Both are objects and contain matter and mass. both are made of atoms, and produce reactions.

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3 years ago