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3 years ago

HELP ME!!! I don't know if you can see the picture on the right or not..

Physics

2 answers:

gizmo_the_mogwai [7]3 years ago

7 0

It’s an assortment of compound molecules

stiv31 [10]3 years ago

6 0

They are balls together

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Newton's Law of Cooling says that the rate of cooling of an object is proportional to the difference between its own temperature

ASHA 777 [7]

Answer:

$\frac{dQ}{dt} =-hA\Delta T(t)$

Explanation:Newton.s law of cooling states that the rate of cooling of an object is proportional to the difference between its own temperatures and temperature of its surroundings. Mathematically,

$\frac{dQ}{dt} =-hA [T(t)-T(s)]\\$

$\frac{dQ}{dt} =-hA\Delta T(t)$

where $Q$ is the heat transfer

$h$ is heat transfer coefficient

$A$ is the heat transfer surface area

$T$ is the temperature of the object's surface

$T(s)$ is the temperature of the surroundings

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3 years ago

How can you justifies the age of earth being 4.5 billion years old

IceJOKER [234]

Answer:

ummmmmmmmmm through science??

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3 years ago

Waves break on a beach due to:

Liula [17]

The answer is “increasing wavelength near beach”

5 0

3 years ago

Read 2 more answers

Water vapor can react reversibly with solid carbon to yield a mixture of hydrogen gas and carbon monoxide. Suppose you continual

umka2103 [35]

Answer:

Product side

Explanation:

When water vapor reacts reversibly with solid carbon to yield a mixture of hydrogen gas and carbon monoxide and we continually add more water vapor to the reaction the equilibrium of the reaction shifts to the product side.

Because gaseous water is reactant that appears in the reaction quotient expression.

$H_{2}O+ C_{s}\leftrightharpoons H_{2}_{g}+ CO$

When we add more water vapor to the reaction the product formation is increased. The reaction goes in forward direction affecting the equilibrium.

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3 years ago

If the magnetic field a perpendicular distance r to the left of a current-carrying wire is 10 T, what will the net magnetic fiel

larisa86 [58]

Answer:

30 T

Explanation:

The magnetic field due to first wire at point A is $B_1=\frac{\mu _0i}{2\pi r}$

Magnetic field due to second wire at point A is $B_2=\frac{\mu _02i}{2\pi r}$

As the current flows in opposite direction in both the wire so net magnetic magnetic field at point A is $B=B_1+B_2=\frac{\mu _0i}{2\pi r}+\frac{\mu _02i}{2\pi r}=\frac{\mu _03i}{2\pi r}$

So net magnetic field $B=3B_1=3\times 10=30T$ as $B_1$ is given as 10 T in question

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3 years ago