physics

Wasserwerfer 10000

Wasserwerfer 10000 is a physics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Wasserwerfer 10000 rather than just read about it. In short: The Wasserwerfer 10000 (WaWe 10, literally "Water Launcher 10000") is a water cannon used for riot control developed by Rosenbauer on the Mercedes-Benz Actros chassis for the Federal Police (Bundespolizei) and Bereitschaftspolizei in Germany. Named for its 10,000 litres (2,600 US gal) water capacity, it is the successor to the Wasserwerfer 9000.

Key takeaways

Wasserwerfer 10000 belongs to physics; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Wasserwerfer 10000 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Wasserwerfer 10000 from memory before moving on to harder problems.

Reference excerpt

The Wasserwerfer 10000 (WaWe 10, literally "Water Launcher 10000") is a water cannon used for riot control developed by Rosenbauer on the Mercedes-Benz Actros chassis for the Federal Police (Bundespolizei) and Bereitschaftspolizei in Germany. Named for its 10,000 litres (2,600 US gal) water capacity, it is the successor to the Wasserwerfer 9000.

History

The need for new water cannons for the federal and state police of Germany was first discussed at the 2005 Innenministerkonferenz; some older Wasserwerfer 9000s, previously criticised for safety concerns, were due to be retired following the 2006 FIFA World Cup that would take place across Germany. Following a tendering process by the Federal Ministry of the Interior's procurement agency, the contract to build these new water cannons was won by Austrian fire engine manufacturer Rosenbauer in 2008, and development of the Wasserwerfer 10000 commenced. The first prototype Wasserwerfer 10000 was handed over to the Federal Ministry of the Interior in 2009, and the first production examples were delivered to state police forces in Hamburg, Berlin, Saxony, North Rhine-Westphalia and Baden-Württemberg between 2010 and 2011. The Wasserwerfer 10000 is built on the Mercedes-Benz Actros 3341 tri-axle truck chassis with an armored angular body, preventing rioters from climbing onto the roof and projectiles from damaging it, and is equipped with a polycarbonate shatter-proof windshield. Three spray nozzles aimed with integrated closed-circuit television cameras and controlled by joysticks are positioned on the roof; two on the front and one on the rear of the truck. Loudspeakers are also equipped. The vehicle is operated by a crew of five police officers. A total of 78 Wasserwerfer 10000s were ordered by police forces across Germany throughout its production run, replacing 117 Wasserwerfer 9000s in a replacement scheme lasting until 2019. As of 2020, following a total of 15 operated by the Bundespolizei, the largest operators of Wasserwerfer 10000s include the states of Hamburg and North Rhine-Westphalia, both operating six of the type, and Berlin and Bavaria, who operate five. Wasserwerfer 10000s have been used in a number of protests and riot control scenarios, including a large deployment at protests during the 2017 G20 Hamburg summit. The effectiveness of the Wasserwerfer 10000's polycarbonate windshield was questioned in 2014 following an incident in a Thuringia state police training exercise, in which mock rioters damaged the windshield by throwing plastic bottles, eggs and tennis balls at it. The Wasserwerfer 10000 is also exported and entered service with Slovenian National Police Force.

References

Illustrations

Worked examples

Example 1 — a first encounter with Wasserwerfer 10000

Start with the simplest possible case. Write down what Wasserwerfer 10000 claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Wasserwerfer 10000 before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Wasserwerfer 10000 ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Wasserwerfer 10000

In research: Wasserwerfer 10000 appears in physics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Wasserwerfer 10000 in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Wasserwerfer 10000 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Law enforcement in Austria, Law enforcement in Germany, Law enforcement in Slovenia, so understanding it makes those chapters shorter.
In everyday life: Look for Wasserwerfer 10000 outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Wasserwerfer 10000 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Wasserwerfer 10000 means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Wasserwerfer 10000 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Wasserwerfer 10000 in simple terms?

Why does Wasserwerfer 10000 matter?

Because it connects several physics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Wasserwerfer 10000?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Wasserwerfer 10000.