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Gelneren [198K]
3 years ago
15

An airplane starts at rest and accelerates at 6.8 m/s2 at an angle of 39° south of west. After 9 s, how far in the westerly dire

ction has the airplane traveled?
Physics
1 answer:
cestrela7 [59]3 years ago
7 0

Answer:36.8

Explanation:

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Bandura found that children who witnessed aggressive behavior being punished were far more likely to be aggressive than children
Sonbull [250]

Answer:

The evidence is conclusive; aggression and violence in the media lead to aggression and violence in the general population.

Explanation:

good luck

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1 year ago
Now find the components NxNxN_x and NyNyN_y of N⃗ N→N_vec in the tilted coordinate system of Part B. Express your answer in term
MArishka [77]

Answer:

N_{y} =NcosФ,

N_{x} =-Nsin Ф

Explanation:

Now find the components NxNxN_x and NyNyN_y of N⃗ N→N_vec in the tilted coordinate system of Part B. Express your answer in terms of the length of the vector NNN and the angle θθtheta, with the components separated by a comma.

Vectors are quantities that  have both magnitude and direction while scalar quantities have only magnitude but no direction.

This a vector quantity

from the diagram the horizontal component of the length of the vector will be

N_{y} =NcosФ

the vertical component will be

N_{x} =-Nsin Ф

this is in the opposite direction because the x can be extrapolated to the negative axis

7 0
3 years ago
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( TRUE false )
Alex73 [517]

Answer:

number 6 is wrong

the answer is pesticides

2.combines are used for harvesting or threshing.so number <em>2</em><em> </em><em>is</em><em> </em><em>w</em><em>rong</em>

at least you tried

Explanation:

there is no such thing as <em>weedicides</em>

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3 years ago
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Suppose you are hiking along a trail. Make a comparison between the magnitude of your displacement and your distance traveled. C
Savatey [412]

The magnitude of your displacement is usually less than the distance you travel.

The magnitude of your displacement can be equal to the distance you travel, if you travel in a perfectly straight line.

The magnitude of your displacement can never be greater than the distance you travel.

5 0
3 years ago
Suppose we wish to use a 6.0 m iron bar to lift a heavy object by using it as a lever. If we place the pivot point at a distance
Ber [7]

Answer:

The maximum load that this person is able to lift is 34.3 N

Explanation:

Applying the balancing torque, the expression is equal:

F₁L₁ = F₂L₂

mgL_{1} =F_{2} L_{2}

Where

g = 9.8 m/s² = gravity

L₁ = 0.8 m

F₂ = 527 N

L₂ = 6 - 0.8 = 5.2 m

Replacing and clearing the mass m:

m=\frac{F_{2}L_{2}  }{gL_{1} } =\frac{527*5.2}{9.8*0.8} =3.5kg

The maximum load that this person is able to lift is:

F = m * g = 3.5 * 9.8 = 34.3 N

8 0
3 years ago
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