questions concerning measurements, experiments, and activities that demonstrate physics and are safe to do at home, require at most one tool or ingredient not readily available, and can be interpreted or analyzed on one sheet of paper with accessible math.

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Experimental information: is momentum conserved?

Could I say that it is conserved during the time, or instead there is a slight decrease?
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82 views

Practical examples or demonstrations similar to the Chaplygin sleigh

The Chaplygin sleigh is a simple nonholonomic mechanical system. The WP article is a fresh one that I just wrote based on a description by Bloch, and may contain mistakes. The first thing I thought ...
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115 views

Does the termination point(level) influence water flow from a pipe

I get water to my home from a nearby Tank A at a certain height above ground level. I have a 1" pipe through which I get this water to my home.. I leave this water into my well by connecting a 1" tube ...
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What's the simplest method for accurately measuring the speed of light? [duplicate]

With common household objects in hand, and, say a budget of $20, what's the simplest experiment for accurately measuring the speed of light?
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377 views

How much pressure is needed to break an egg if applied from top and bottom?

Everybody knows that you can't break an egg with our fingers when pushing from top and bottom. I assume if we could squeeze hard enough the egg would break?
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126 views

Find the real height of an object by eyes

I wonder if I can get the height of an object (tree or a building) with the knowledge of: The distance between me and the object? The apparent height of that object?
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170 views

How does temperature affect magnets?

How does an increase/decrease in temperature affect: Strength of the magnet Polarity Other changes? I have made some research and I have found that increasing the temperature turns ferromagnetic ...
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206 views

home made atom destruction unit [closed]

Today we learnt at school that atoms can be destructed. I believe Physics is a great science to do experiment and I would like to try it at home. Could you tell me what I need to do it? and is it ...
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214 views

Can you lift a basket up while standing inside it? [closed]

Suppose you stand in a basket and you try to pull the handles of the basket. Will you be able to lift the basket from ground? Similarly, Baron Münchhausen allegedly pulled himself and the horse on ...