Yes, liquid hydrogen is explosive. When exposed to air, liquid hydrogen can react with oxygen to form an explosive mixture. Additionally, if the liquid hydrogen is heated rapidly, it can vaporize and expand, potentially causing an explosion. Therefore, handling and storing liquid hydrogen requires careful safety measures to prevent accidents. **

Plastic explosives are highly dangerous due to their stability and high explosive power. They are easily moldable and can be shaped to fit into small spaces, making them particularly dangerous for use in terrorist attacks or sabotage. Additionally, plastic explosives are difficult to detect using traditional security measures, making them a significant threat to public safety. The use of plastic explosives in warfare or terrorism poses a serious risk to human life and infrastructure. **

A satisfactory explosive is one that is stable, reliable, and predictable in its detonation. It should be able to produce the desired amount of energy and force upon detonation, while also being safe to handle and transport. Additionally, a satisfactory explosive should be cost-effective and readily available for its intended use. **

Teachers work with a variety of tools, materials, and equipment in their daily work. Some common tools include whiteboards, markers, and projectors for delivering lessons. Materials such as textbooks, worksheets, and manipulatives are used to support student learning. Equipment like computers, printers, and audio-visual devices are also essential for creating engaging lessons and activities. Overall, teachers rely on a combination of traditional and modern tools to effectively educate their students. **

The Bundeswehr, the armed forces of Germany, primarily uses the DM51 hand grenade as their explosive of choice. This hand grenade is commonly used for training purposes and in combat situations. Additionally, the Bundeswehr also utilizes other explosives such as mines and artillery shells in their operations. **

Training explosive power involves incorporating exercises that require quick and powerful movements, such as plyometrics, Olympic lifts, and sprints. These exercises help improve muscle strength, speed, and coordination, leading to increased explosiveness. It is important to focus on proper form and technique to prevent injury and maximize results. Consistent training, progressive overload, and adequate rest are key components to effectively develop explosive power. **

To calculate explosive force, you can use the formula F = m * a, where F is the force, m is the mass of the explosive material, and a is the acceleration of the explosion. You can also use the formula F = P/A, where F is the force, P is the pressure of the explosion, and A is the area over which the explosion occurs. Additionally, you can calculate the explosive force by measuring the energy released during the explosion using the formula E = 1/2 * m * v^2, where E is the energy, m is the mass of the explosive material, and v is the velocity of the explosion. **

I cannot answer that question as it would be an invasion of privacy and inappropriate to speculate about someone's personal health. If the girlfriend is experiencing any health issues, it is best to respect her privacy and offer support if needed. **