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Sunny_sXe [5.5K]

3 years ago

13

Frost on the grass in autumn is an example of

1 answer:

mafiozo [28]3 years ago

7 0

Answer: The correct answer is deposition.

Explanation:

Deposition: It is a process conversion of gaseous state directly to the solid state by escaping the liquid state.

Gas → Solid (Deposition)

The cause of frost on the grass in the autumn is ,when the temperature of the air near to ground decreases down to the temperature lower than freezing point of the water. This decrease in temperature of the air leads to formation of ice crystals from the water vapors present in the air on the grass.

Water vapor → Ice crystals (Deposition)

Hence the correct answer is option(a).

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What is the mass m of the elevator? use g=10m/s2 for the magnitude of the acceleration of gravity.

emmasim [6.3K]

Need more info..............

4 0

3 years ago

A 13 kg hanging sculpture is suspended by a 95-cm-long, 5.0 g steel wire. When the wind blows hard, the wire hums at its fundame

Artyom0805 [142]

Answer:

$f=81.96 \ Hz$

Explanation:

Givens

$L=95cm$

$m_{sculpture} =13kg$

$m_{wire}=5g$

The frequency is defined by

$f=\frac{v}{\lambda}$

Where $v$ is the speed of the wave in the string and $\lambda$ is its wave length.

The wave length is defined as $\lambda = 2L = 2(0.95m)=1.9m$

Now, to find the speed, we need the tension of the wire and its linear mass density

$v=\sqrt{\frac{T}{\mu} }$

Where $\mu=\frac{0.005kg}{0.95m}= 5.26 \times 10^{-3}$ and the tension is defined as $T=m_{sculpture} g=13kg(9.81 m/s^{2} )=127.53N$

Replacing this value, the speed is

$v=\sqrt{\frac{127.53N}{5.26 \times 10^{-3} } }=155.71 m/s$

Then, we replace the speed and the wave length in the first equation

$f=\frac{v}{\lambda}\\f=\frac{155.71 m/s}{1.9m}\\ f=81.96Hz$

Therefore, the frequency is $f=81.96 \ Hz$

3 0

3 years ago

Read 2 more answers

How many electrons are in an element with an atomic number of 20 and an atomic mass of 40? options: ANSWER FOR BRAINLIES

mafiozo [28]

Answer:

B

Explanation:

4 0

3 years ago

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Which process is a form of mechanical weathering?

ICE Princess25 [194]

I would assume it is Oxidation since it would have an impact on metals t hat oxidizes in the weather

3 0

3 years ago

Please help :)<br> i would rlly appreciate it :)))

algol [13]

Answer:

the answer for that is "A"

6 0

3 years ago