Which statement explains why a blue house looks blue?The house reflects mostly red and green light
The house absorbs mostly blue light
The house reflects mostly blue light
The house reflects every color expect blue

Answer:

1. T₁ is approximately 100.33 N

T₂ is approximately -51.674 N

2. 230°F is 383.15 K

3. Part A

The total torque on the bolt is -4.2 N·m

Part B

Negative anticlockwise

Explanation:

1. The given horizontal force = 86 N

The direction of the given 86 N force = To the left (negative) and along the x-axis

(The magnitude and direction of the 86 N force = -86·i)

The state of the system of forces = In equilibrium

The angle of elevation of the direction of the force T₁ = 31° above the x-axis

The direction of the force T₂ = Downwards, along the y-axis (Perpendicular to the x-axis)

Given that the system is in equilibrium, we have;

At equilibrium, the sum of the horizontal forces = 0

Therefore;

T₁ × cos(31°) - 86 = 0

T₁ = 86/(cos(31°)) ≈ 100.33

T₁ ≈ 100.33 N

Similarly, at equilibrium, the sum of the vertical forces = 0

∴ T₁×sin(31°) + T₂ = 0

Which gives;

100.33 × sin(31°) + T₂ = 0

T₂ = -100.33 × sin(31°) ≈ -51.674

T₂ ≈-51.674 N

2. 230° F to Kelvin

To convert degrees Fahrenheit (°F) to K, we use;

Pluggining in the given temperature value gives;

230°F = 383.15 K

3. Part A

Torque = Force × perpendicular distance from the line of action of the force

Therefore, the clockwise torque = 9 N × 0.4 m = 3.6 N·m (clocwise)

The anticlockeisre torque = 13 N × 0.6 m = 7.8 N·m (anticlockwise)

The total torque o the bolt = 3.6 N·m - 7.8 N·m = -4.2 N·m (clockwise) = 4.2 N·m anticlockwise

Part B

The torque is negative anticlockwise.

The option that is correct as regards flaming combustion from the question is A solid fuel mixes with an adequate amount of liquid fuel to be able to sustain an open burning flame.

• Combustion can be regarded as exothermic redox chemical reaction  which occurs at high temperature between fuel as well as an oxidant.

• This oxidant is  usually atmospheric oxygen, and the results are mixture of gases which do appear as smoke.

• For this flaming combustion to occur, there should be mixture of solid fuel as well as liquid fuel so that the burning flame can be sustained.

• Flaming combustion takes place when both visible flames as well as  plume of a fire are visible.

Therefore,  option A is correct.

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Answer is A(Soild Fuil

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Answer:

The Cerebellum controls muscle coordination and posture.

Answer: 43 minutes and 14 seconds.

Explanation:

The speed of light in a vacuum is approximately 186,282 miles per second (299,792 kilometers per second). To find the time it takes for light to travel from the Sun to Jupiter, divide the distance by the speed of light:

Time = (Distance from Sun to Jupiter) / (Speed of Light)

Time = (5.2 AU * 93 million miles/AU) / (186,282 miles/second)

Now, you can calculate the time in seconds and convert it to minutes:

Time = [(5.2 * 93 million miles) / (186,282 miles/second)] * (1 minute / 60 seconds)

Time ≈ [(483.6 million miles) / (186,282 miles/second)] * (1 minute / 60 seconds)

Time ≈ (2594.16 seconds) * (1 minute / 60 seconds)

Time ≈ 43.236 minutes

So, it takes approximately 43.236 minutes for light from the Sun to reach Jupiter, which is about 43 minutes and 14 seconds.