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just olya [345]
3 years ago
7

The melting point of ice is the same temperature as the of water.

Physics
2 answers:
umka2103 [35]3 years ago
8 0

Answer:

Answer is freezing point of water. The same melting point of ice is the same freezing point of water.

Travka [436]3 years ago
7 0

Answer:

Freezing point.

Explanation:

In the case of freezing point and melting point there is a same transition of matter. In this case, freezing point is defined as the, liquid is changing into solid and this process will occur  at the same temperature when melting is occur means solid is change into liquid.

When water is freezing or melting any one can notice that its temperature will remain at 0°C throughout these processes whether ice is converting into liquid or liquid is converting into ice.

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A mountaintop is a height y above the level ground. A woman measures the angle of elevation of the
Kamila [148]
Refer to the diagram shown below.
We want to find y in terms of d, φ and θ.

By definition,
tan (\theta) =  \frac{y}{x} \\\\ tan( \phi) = \frac{y}{x-d}

Therefore
y = x tan(θ)                   (1)
y = (x - d) tan(φ)           (2)

Equate (1) and (2).
(x - d) \, tan(\phi) = x \, tan(\theta) \\ x[tan(\phi) - tan(\theta)] = d \, tan(\phi) \\ x= \frac{d tan(\phi)}{tan(\phi)-tan(\theta)}

From (1), obtain the required expression for y.

Answer:
y= \frac{d \, tan(\phi) \, tan(\theta)}{tan(\phi)-tan(\theta)}

7 0
3 years ago
Orbitals that are of equal energy may be referred to as.
ivanzaharov [21]

Answer:

degenerate

Explanation:

5 0
2 years ago
A 600 kg car is at rest, and then accelerates to 5 m/s.
Crank

Answer:

0

7500J

7500J

Explanation:

Given parameters:

Mass of car  = 600kg

Velocity  = 5m/s

Unknown:

Original kinetic energy  = ?

Final kinetic energy  = ?

Work used  = ?

Solution:

The kinetic energy of a body is the energy due to the motion of a body.

It can be solve mathematically using expression below;

                K.E  = \frac{1}{2}  m v²

  where m is mass

              v is velocity

original kinetic energy;

  The car started at rest and v = 0, therefore K.E  = 0

Final kinetic energy;

           K.E  = \frac{1}{2}  x 600 x 5²   = 7500J

Work done:

   Work done  = Final K.E  - Initial K.E  = 7500 - 0 = 7500J

   

3 0
3 years ago
Dark matter has been detected by its
Zinaida [17]
Dark matter has been detected by its gravitational pull.
7 0
3 years ago
Appropriate word inside the parentheses.
Taya2010 [7]

Answer:

<em>At constant mass, the  acceleration of an object varies (</em><em>directly</em><em>) with the net external force  applied. That is to say, that an object's acceleration increases as the force applied is (</em><em>increased</em><em>),  but its acceleration decreases if the force applied is (</em><em>decreased</em><em>).</em>

Explanation:

<u>Mechanical Force </u>

According to the second Newton's law, the acceleration of an object varies directly proportional to the external net force applied and inversely proportional to the mass of the object.

If the mass is constant, then the acceleration will vary in the same way as the force does.

Completing the sentences:

At constant mass, the  acceleration of an object varies (directly) with the net external force  applied. That is to say, that an object's acceleration increases as the force applied is (increased),  but its acceleration decreases if the force applied is (decreased).

6 0
3 years ago
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