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Lilit [14]
2 years ago
12

I need a walk through please

Physics
1 answer:
babymother [125]2 years ago
7 0

Answer:

11,100 N

Explanation:

Draw the car on the incline. Label the weight and normal forces. Call the direction normal to the incline y, and the direction parallel to the incline x.

If it helps, rotate the incline so that the surface of the incline is flat.

Use trigonometry to determine the components of the weight force. The y component of the weight is:

Wᵧ = mg cos θ

Wᵧ = (1150 kg) (9.8 m/s²) (cos 8.70°)

Wᵧ = 11,100 N

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In a classical model of the singly-ionized helium atom, a single electron orbits the nucleus in a circular orbit of radius.
NikAS [45]

Yes, in a classical model of the singly-ionized helium atom, a single electron orbits the nucleus.

<h3>What is singly ionized helium?</h3>

Singly ionized helium is an atom that has lost one electrons from its outermost shell. We consider its remaining electron like a hydrogen electron. There is only one difference between a hydrogen atom and a singly ionized helium atom which is the number of protons in the nucleus so the nucleus charge on singly ionized helium is -1.

Learn more about helium here: brainly.com/question/26226232

5 0
3 years ago
Three small objects are located in the x-y plane as shown in the figure. The objects have the following masses: mA = 1.09 kg, mB
aliina [53]

The moment of inertia of this set of objects with respect to the axis perpendicular to the the x-y plane passing through location x = 4.00 m and y = 3.00 m is 144.97 Kg.m^2.

<h3>What is moment of inertia?</h3>

The moment of inertia is the amount of rotation obtained  by an object when it is in state of motion or rest.

Three small objects are located in the x-y plane as shown in the figure. The objects have the following masses: mA = 1.09 kg, mB = 2.83 kg, mC = 3.39 kg.

The coordinates  of Ball A :(2,1) Ball B :(8,2) and Ball C: (5,8) and axis is at (4,3)

Here, for the moment of inertia of each ball

For ball A

IA = 1.09 x ((4 - 2)^2 + (3-1)^2)

IA = 8.72 Kg.m^2

for the ball B

IB = 2.83 * ((4 - 8)^2 + (3 - 2)^2)

IB = 48.11 Kg.m^2

for the ball C

IC = 3.39 * ((4 - 5)^2 + (3 - 8)^2)

IC = 88.14 Kg.m^2

Total moment of inertia = 8.72 + 48.11 +  88.14

Total moment of inertia = 144.97 Kg.m^2

Thus, the moment of inertia of this set of objects with respect to the axis perpendicular to the the x-y plane passing through location x = 4.00 m and y = 3.00 m is 144.97 Kg.m^2.

Learn more about moment of inertia.

brainly.com/question/15246709

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3 0
2 years ago
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lakkis [162]

Answer:

The more high yield crops are planted, the more production there will be from plants.

Explanation:

High-yield plants are plants that are genetically modified or modified artificially in a way that makes farming plants more efficient. More crops grow, therefore more money.

The answer is, the more high-yield plants there are, the more efficiency there will be from farming.

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How many sig figs does 0.009 have?
VLD [36.1K]
There are 6 sig figs
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