<span>Fire extinguishers and fire blankets should always be mounted on a surface that is painted red. This is a bright color and easy to locate. It makes it much safer for people that need to find these objects on quick notice.</span>
Answer:
Energy implies as the object’s capability to perform work. It is something that cannot be created or destroyed but can only be transformed. An object loses its energy, when it performs work, whereas it gains energy when the work is performed on it. Energy is broadly classified as kinetic energy and potential energy. While kinetic energy is the energy which an object contains because of a particular motion.
On the other hand, potential energy is the stored energy, because of its state of rest. As both the two forms of energy are measured in joules, people get easily confused between these two. So, take a read of the article which will help you to understand the differences between kinetic and potential energy.
Explanation:
Hope this helps - Good luck ^w
D. A magnetic field created by the electric current causes the compass needle to move.
Answer:
The change of the volume of the device during this cooling is ![14.3\times10^{-3}\ m^3](https://tex.z-dn.net/?f=14.3%5Ctimes10%5E%7B-3%7D%5C%20m%5E3)
Explanation:
Given that,
Mass of oxygen = 10 g
Pressure = 20 kPa
Initial temperature = 110°C
Final temperature = 0°C
We need to calculate the change of the volume of the device during this cooling
Using formula of change volume
![\Delta V=V_{2}-V_{1}](https://tex.z-dn.net/?f=%5CDelta%20V%3DV_%7B2%7D-V_%7B1%7D)
![\Delta V=\dfrac{mR}{P}(T_{2}-T_{1})](https://tex.z-dn.net/?f=%5CDelta%20V%3D%5Cdfrac%7BmR%7D%7BP%7D%28T_%7B2%7D-T_%7B1%7D%29)
Put the value into the formula
![\Delta V=\dfrac{0.3125\times0.0821}{2.0265\times10^{9}}(383-273)](https://tex.z-dn.net/?f=%5CDelta%20V%3D%5Cdfrac%7B0.3125%5Ctimes0.0821%7D%7B2.0265%5Ctimes10%5E%7B9%7D%7D%28383-273%29)
![\Delta V=14.297\ L](https://tex.z-dn.net/?f=%5CDelta%20V%3D14.297%5C%20L)
![\Delta V=14.3\times10^{-3}\ m^3](https://tex.z-dn.net/?f=%5CDelta%20V%3D14.3%5Ctimes10%5E%7B-3%7D%5C%20m%5E3)
Hence, The change of the volume of the device during this cooling is ![14.3\times10^{-3}\ m^3](https://tex.z-dn.net/?f=14.3%5Ctimes10%5E%7B-3%7D%5C%20m%5E3)
Answer:
The net force is 15 newtons
The direction is to the right
Explanation:
Hope this helps