PLEASE HELP ME

Imagine a metal cooking pan with a wooden handle is placed into a 200 °c oven.
Which material (wood or metal) would reach thermal equilibrium most rapidly? Why?

Answer:

it holds the bone and helps to move

I don't know if this is right

Answer:

F = 0.667 N

Explanation:

Given that,

Masses of two objects, m₁ = m₂ = 1,000,000 kg

The distance between masses, d = 10 m

We need to find the force of gravity between two objects. The formula for the gravitational force is given by :

[tex]F=G\dfrac{m_1m_2}{d^2}\\\\F=6.67\times 10^{-11}\times \dfrac{(1,000,000)^2}{10^2}\\\\=0.667 N[/tex]

So, the force of gravity between two masses is 0.667 N.

Force is measured in Newton ( kg.m. /s²)

Answer:

F = Δ(mv)/Δt = ma

Explanation:

Newton's second law states that the force exerted on an object is equal to the rate of change of its momentum.

Let F represent force and p momentum and p = mv where m = mass and v = velocity

This implies that F = Δp/Δt = Δ(mv)/Δt if the mass is constant, we have

F = mΔv/Δt and we know that acceleration, a = Δv/Δt

So, F = ma which is Newton's second Law.

Answer:

the sun

Explanation:

that is how the solar system works

Answer:

Answer: B. 12 N

Explanation:

Static Equilibrium

Static equilibrium occurs when an object is at rest, i.e., neither rotating nor translating.

In the static rotational equilibrium, the total torque is zero with respect to any rotational axis.

The torque applied by a force F perpendicular to a displacement X with respect to a reference rotating point is:

T = F*X

Considering the pivot as the rotating point, there are 3 forces producing torque. Let's consider counterclockwise torques as positive, thus:

30N * 40 cm - 60 N * 30 cm + F (30 cm + 20 cm) = 0

Operating:

1200 N.cm - 1800 N.cm + F(50 cm) = 0

- 600 N.cm + F(50 cm) = 0

Solving for F:

F = 600/50

F = 12 N

Answer: B. 12 N

Answer:

Chemical reactions are represented on paper by chemical equations. For example, hydrogen gas (H2) can react (burn) with oxygen gas (O2) to form water (H20). The chemical equation for this reaction is written as: The '+' is read as 'reacts with' and the arrow '' means 'produces'.

Explanation:

hope this helps

Answer:

540m/s

Explanation:

Given parameters:

Frequency of the wave = 18000Hz

Wavelength of the wave = 0.03m

Unknown:

How fast is the wave traveling = ?

Solution:

How fast the wave is traveling is a measure of the speed of the wave;

     Speed of wave  = frequency x wavelength

Now insert the given parameters and solve;

   Speed of wave  = 18000 x   0.03  = 540m/s

Answer:

a = 2.44 m/s²

Explanation:

The Net force acting on the car downwards the plane will be equal to the component of the weight that is parallel to the plane.

Thus;

mg(sin θ) = ma

Thus;. g(sin θ) = a

g is acceleration due to gravity = 9.81 m/s²

θ = 14.4°

Thus;

9.81 × sin 14.4 = a

a = 2.44 m/s²

Answer:

2.44

Explanation:

If your on Acellus the correct answer is 2.44

Answer:

its b

Explanation:

Supplements labeled “natural” may interact negatively with medications. The correct option is B.

Dietary supplements are substances that you may use to supplement your diet with nutrients or to reduce your risk of health problems such as osteoporosis or arthritis.

Dietary supplements are available in pill, capsule, powder, gel capsules and tablets, extracts, or liquid form.

Dietary supplements are available in a variety of forms, including tablets, capsules, gummies, powders, drinks, and energy bars.

Vitamins D and B12 are popular supplements, as are minerals like calcium and iron, herbs like echinacea and garlic, and products like glucosamine, probiotics, and fish oils.

Because many supplements contain active ingredients that have strong effects in the body, herbal products can pose unexpected risks. Natural supplements may have negative interactions with medications.

Thus, the correct option is B.

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Answer:

c. 43 m/s

Explanation:

Given the following data;

Displacement, S = 90 meters

Time, t = 5.55 seconds

To find the initial velocity;

We would use the second equation of motion given by the formula;

[tex] S = ut + \frac {1}{2}at^{2}[/tex]

Where;

We know that acceleration due to gravity is -9.8m/s² because the direction is downward.

Substituting into the equation, we have;

[tex] 90 = u*5.55 + \frac {1}{2}*(-9.8)*5.55^{2}[/tex]

[tex] 90 = u5.55 - 4.9*30.8025[/tex]

[tex] 90 = u5.55 - 150.93225[/tex]

Rearranging the equation, we have;

[tex] u5.55 = 90 + 150.93225[/tex]

[tex] u5.55 = 240.93225[/tex]

[tex] u = \frac {240.93225}{5.55}[/tex]

Initial velocity, u = 43.41 ≈ 41 m/s

The answer is C, as it states it's made of ONLY carbon atoms, not any others.

The answer is also A, because Graphite is still considered a compound.

A pencil "lead" is actually made of graphite. graphite is made exclusively of carbon atoms. The two terms that best describe graphite are pure substance and element. The correct options are options (c) and (d).

Graphite is considered a pure substance because it consists solely of carbon atoms. It is not a mixture because it does not contain different types of atoms or compounds.

Additionally, graphite is classified as an element because it is composed of only one type of atom, carbon.

Therefore, the correct answer is C. pure substance and D. element.

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Answer:

Florence is often named as the birthplace of the Renaissance. The early writers and artists of the period sprung from this city in the northern hills of Italy. As a center for the European wool trade, the political power of the city rested primarily in the hands of the wealthy merchants who dominated the industry

Explanation:

Answer:

Florence is often named as the birthplace of the Renaissance. The early writers and artists of the period sprung from this city in the northern hills of Italy. As a center for the European wool trade, the political power of the city rested primarily in the hands of the wealthy merchants who dominated the industry

Explanation:

Because a is not a function of t .

So d/dt of a is zero.

Answer:

fossil fuels are petroleum and natural gas. Well Fossils are mineralized remains of ancient plants and animals

Answer:

The force of gravitational attraction is 8.454 x 10⁻⁸ N.

Explanation:

Given;

mass of the boy, m₁ = 78 kg

mass of the girl, m₂ = 65 kg

distance between the boy and the girl, r = 2 meters

The force of gravitational attraction is given as;

[tex]F = \frac{Gm_1m_2}{r^2}[/tex]

where;

G is gravitational constant = 6.67 x 10⁻¹¹ Nm²/kg²

r is the distance between two masses, m₁ and m₂

[tex]F = \frac{Gm_1m_2}{r^2} \\\\F = \frac{(6.67 \times 10^{-11})(78 \times 65)}{2^2}\\\\F = 8.454 \times 10^{-8} \ N[/tex]

Therefore, the force of gravitational attraction is 8.454 x 10⁻⁸ N.

Answer: Wave frequency can be measured by counting the number of crests (high points) of waves that pass the fixed point in 1 second or some other time period. The higher the number is, the greater the frequency of the waves. The SI unit for wave frequency is the hertz ( Hz ), where 1 hertz equals 1 wave passing a fixed point in 1 second.

Explanation:

Answer:

3614

Explanation:

Answer: decibels

Explanation:

Answer:

25 Kg

Explanation:

M=F/A

Answer:

c

Explanation:

u only use 10% of your brain

Answer:

D

Explanation:

Isostatic equilibrium is the state of gravitational equilibrium between Earth 's crust and the mantle.

Hello!

He will miss it by ≈ 0.852 m

Begin by finding the amount of time necessary to hit the target. Use the formula t = d / s:

t = 75 / 180 = 0.4167 sec

Use the equation d = vi + 1/2at² to solve for the amount the bullet will miss the target. (vi is 0 in this instance). We are solving for the vertical component, so use a  = 9.81 m/s (gravity).

d = 0 + 1/2(9.81)(0.4167²)

d ≈ 0.852 m

Answer:

theres a mouse lol

no

the occurrence of a natural electrical discharge of very short duration and high voltage between a cloud and the ground or within a cloud, accompanied by a bright flash and typically also thunder.

Explanation:

Answer:

Increases

Explanation:

For a given force, as the time increases, the impulse related to that force increases also.

Impulse and time are directly related to one another. Impulse is mathematically given as:

           I  = F t

I is the impulse

F is the force

t is the time taken

So, as both force and time increases, the value of the impulse must increase.

Answer:

B. The surface of the Earth heats the air that contacts it.

Explanation:

Conduction is a mode of heat transfer in which energy is transferred from a hot molecule to the neighboring molecules due to contact. Thus, heat energy is transferred from one molecule to another in the process.

Therefore, the air that comes in contact with the surface of the earth heats up by conduction. Since the surface of the earth is heated up due to the radiation from the Sun.

Answer: B.

Explanation: I took the test. Also, after my diagnostic I just wanted to see if my answers were correct lol.

Answer:

185.3m

Explanation:

Given parameters:

Initial velocity  = 10m/s

Final velocity  = 21m/s

Time  = 12s

Unknown:

Total distance traveled by the car = ?

Solution:

To solve this problem, we use that appropriate motion equation:

            v² = u² + 2as

v is the final velocity

u is the initial velocity

a is the acceleration

s is the unknown distance

t is the time taken;

    acceleration = [tex]\frac{v - u}{t}[/tex]

                   a  = [tex]\frac{21 - 10}{12}[/tex]   = 0.92m/s²

 now;

            v² = u² + 2as

            21²  = 10²  + 2(0.92)(s)  

            441 = 100 + 1.84s

           441 - 100  = 1.84s

                  s  = 185.3m

Explanation:

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