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Tju [1.3M]
3 years ago
10

Focus Question: How are physical properties used to compare and classify substances?​

Physics
1 answer:
Kisachek [45]3 years ago
8 0

Answer:

Properties that can be determined without changing the composition of a substance are referred to as physical properties. Characteristics such as melting point, boiling point, density, solubility, color, odor, etc. ... Physical and chemical properties can be used to classify a substance as ionic or molecular.

Explanation:

Hope it helps! Correct me if I am wrong!

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The force on a dropped apple hitting the ground depends upon
yulyashka [42]

Answer:

F=ma

Explanation:

Force = mass * acceleration

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Air "breaks down" when the electric field strength reaches 3 × 106 n/c, causing a spark. A parallel-plate capacitor is made from
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Electric field between the plates of parallel plate capacitor is given as

E = \frac{Q}{A\epsilon_0}

here area of plates of capacitor is given as

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also the maximum field strength is given as

E = 3 * 10^6 N/C

now we will plug in all data to find the maximum possible charge on capacitor plates

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3 0
3 years ago
Read 2 more answers
A force of 6.00 N acts in the positive direction on a 3.00 kg object, originally traveling at +15.0 m/s, for 10.0 s. (a) What is
frozen [14]

Answer:

60 kg m/s

Explanation:

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As the acceleration of the object is constant, so

a=\frac {v-u}{t}\cdots(i)

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F= m\times a,

\Rightarrow F=\frac {m(v-u)}{t} [from equation (i)]

\Rightarrow Ft=m(v-u)

\Rightarrow Ft=mv-mu

\Rightarrow mv-mu=6\times 10 [given that time, t=10 s and F=6 N]

\Rightarrow mv-mu=60 kg \;m/s

Here mv is the final momentum of the object and mu is the initial momentum of the object.

So, the change in the momentum of the object is mv-mu.

Hence, the change in the momentum of the object is 60 kg m/s.

6 0
3 years ago
A rectangular coil of wire (a = 22.0 cm, b = 46.0 cm) containing a single turn is placed in a uniform 4.60 T magnetic field, as
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Explanation:

Below is an attachment containing the solution.

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A new cat 6 cable run and key stone jack were installed for a workstation that was moved from the sales department to the shippi
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Answer:

The cable run exceeds the specifications for Ethernet over twisted pair

Explanation:

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