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Alla [95]
4 years ago
5

Aerosol cans use compressed gases to propel the contents out of the can. Which of the following is the best explanation for why

aerosol cans should not be overheated? (2 points) The aerosol cans may form a leak, and the compressed gases may condense into a liquid. Gases do not expand when heated, so the excess heat may cause the can to implode. As the can heats, the compressed gases will expand, causing the can to explode. As pressure increases, the gas in the aerosol can vaporize, and the can will no longer work.
Physics
1 answer:
vovangra [49]4 years ago
5 0

Answer:

As the can heats, the compressed gases will expand, causing the can to explode

Explanation:

We know that the gases in the aerosol can would assume the shape and volume of the can. The volume of the can would be the volume of the compressed gas.

As heat is added to the can, the aerosol gases would gain kinetic energy and their speed would increase. The gases would begin to expand and would require more space in order to move. This would indirectly increase the pressures between gas molecules and the walls of the can as collisions soars.  

A point would eventually be reached where the gas agitation would lead to an explosion.

Overheated aerosol cans would explode.

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Suppose the minimum uncertainty in the position of a
Anika [276]

Answer:

The minimum uncertainty in its speed is greater than 6.52\times 10^4\ m/s.

Explanation:

It is given that,

Speed of the particle, v=4.1\times 10^5\ m/s

We need to find the minimum uncertainty in its speed. It can be calculated using uncertainty principle as :

\Delta x.\Delta p\ge \dfrac{h}{2\pi}

Since, p = mv

\Delta x.\Delta (mv)\ge \dfrac{h}{2\pi}

(\dfrac{h}{mv}).(m\Delta v)\ge \dfrac{h}{2\pi}

\dfrac{\Delta v}{v}\ge \dfrac{h}{2\pi}

\Delta v\ge \dfrac{v}{2\pi}

\Delta v\ge \dfrac{4.1\times 10^5}{2\pi}

\Delta v\ge 6.52\times 10^4\ m/s

So, the minimum uncertainty in its speed is greater than 6.52\times 10^4\ m/s. Hence, this is the required solution.

7 0
3 years ago
Calculate the distance covered by a bus moving at a rate of 11.5km/h with a time of 2060seconds​
vovangra [49]

Answer:

6.56km

Explanation:

Given parameters:

Speed  = 11.5km/hr

Time  = 2060s

Unknown:

Distance covered  = ?

Solution:

Speed is distance divided by the time taken.

   Speed  = \frac{distance}{time}

 

   Distance  = Speed x time

Let us convert the seconds to hours;

      3600s  = 1hr

      2060s = \frac{2060}{3600}   = 0.57hr

Now

 Distance  = 11.5km/hr x 0.57hr  = 6.56km

5 0
3 years ago
The main functions of the skin are:
Nataly_w [17]

Answer:To protect the human body from foreign bodies from the outside environment.

Explanation:

8 0
4 years ago
An 80.0-kg man jumps from a height of 2.50 m onto a platform mounted on springs. As the springs compress, he pushes the platform
frosja888 [35]

Answer:

6.16 m/s

0.0105 m

Explanation:

Let the ground 0 for potential reference be at where the spring is compress 0.24 m. The the man would jump from a height h = 2.5 + 0.24 = 2.74 m from it. We can apply the law of energy conservation knowing that as the man jumps, his potential energy converts to kinetic energy, then finally to elastic energy:

E_p = E_e

mgh = kx^2/2

where m = 80 kg is the man mass, g = 9.81 m/s2 is the gravitational acceleration, h = 2.74 m is the potential distance he travels, k N/m is the spring constant and x = 0.24 is the distance it compresses

80*9.81*2.74 = k0.24^2/2

2150.352 = 0.0288k

k = 74665 N/m

Similarly at the position where it compresses by 0.12 m, it's 0.24 - 0.12 = 0.12 m far from ground 0.

E_p = E_{e2} + E_k + E_{p2}

mgh = kx_2^2 + mv^2/2 + mgh_2

2150.352 = 74665*0.12^2/2 + 80v^2/2 + 80*9.81*0.12

2150.352 = 537.588 + 40v^2 + 94.176

40v^2 = 1518.588

v^2 = 37.9647

v = \sqrt{37.9647} = 6.16 m/s

When he steps gently, then his gravity force would equal to his spring force

mg = kx_3

x_3 = mg/k = 80*9.81/74665 = 0.0105m

7 0
3 years ago
Newton did not discover gravity, for early humans discovered that whenever they fell. what newton did discover is that gravity _
galben [10]

What Newton discovered is that  gravity extends throughout the universe.

<h3>What is gravity?</h3>

The term gravity refers to the force that acts on a body in the universe. It is gravity that makes an object to fall when it is thrown up. The force of gravity acts on every object in the universe and it extends through the universe.

Humans have always known about gravity when they fall from a height and when they threw things up. However, human did not know that gravity extends throughout the universe.

Thus, what Newton discovered is that  gravity extends throughout the universe.

Learn more about gravity:brainly.com/question/4014727

#SPJ1

6 0
2 years ago
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