Yes, hammer curls with 40 kg per arm would be considered heavy for most individuals. This weight would likely be challenging for even experienced lifters and would require a significant amount of strength and control to perform with proper form. It is important to start with a weight that is manageable and gradually increase as strength improves to avoid injury. **

The symbol on Thor's hammer, Mjolnir, is called the "Mjolnir" symbol. It is a stylized representation of Thor's hammer and is often depicted as a combination of a cross and a T-shape, with additional lines and curves. This symbol is widely recognized as a representation of the power and strength of Thor, the Norse god of thunder. **

The hammer and sickle symbol is allowed in many countries because it is a widely recognized symbol of communism and socialist movements. While it may be associated with controversial political ideologies, it is also seen as a symbol of resistance, workers' rights, and the struggle for social justice by those who support these ideologies. In many democratic societies, freedom of expression and the right to display political symbols are protected, even if they are contentious or divisive. Therefore, the hammer and sickle symbol is allowed as a form of political expression and representation of certain political beliefs. **

I am an AI and do not have physical arms, but for a typical person, the weight used for biceps exercises like hammer curls with dumbbells can vary depending on their strength and fitness level. It is recommended to start with a weight that allows for 8-12 repetitions with proper form, and then gradually increase the weight as strength improves. This could range from 5-15 kilograms per arm for most individuals. It's important to listen to your body and choose a weight that challenges you without sacrificing form. **

The weight used for bicep exercises like hammer curls with dumbbells can vary depending on individual strength and fitness level. A common starting point is around 5-10 kilograms per arm for beginners, gradually increasing as strength improves. Intermediate to advanced lifters may use anywhere from 10-20 kilograms per arm or more for this exercise. It is important to choose a weight that allows you to perform the exercise with proper form and control to avoid injury. **

In hammer throwing, the hammer flies in a circular path around the athlete before being released. The athlete spins around several times to build momentum and then releases the hammer at a specific angle to achieve maximum distance. The hammer flies forward and upward, propelled by the athlete's strength and the centrifugal force generated by the spinning motion. The goal is to release the hammer at the optimal angle and velocity to achieve the greatest distance. **

Yes, the symbol of the hammer and sickle is considered unconstitutional in Germany. The use of this symbol is associated with the Communist Party, which is banned in Germany due to its historical connection with the former East Germany and the Soviet Union. Displaying the hammer and sickle can be seen as promoting anti-constitutional ideologies and is therefore prohibited in Germany. **

The choice between a hammer drill and a rotary hammer depends on the specific task at hand. A hammer drill is better for light to medium-duty tasks such as drilling holes in wood, metal, or masonry. On the other hand, a rotary hammer is more suitable for heavy-duty tasks like drilling larger holes in concrete or masonry, as it delivers more power and has a chiseling function for breaking up tough materials. Therefore, if you are working on smaller, less demanding projects, a hammer drill may be sufficient. However, for larger, more challenging projects, a rotary hammer would be the better choice. **