Yes. In the same way that a Frisbee or disc will do. When angled correctly (approximately 45 degrees - between straight up and level to the ground) - and throw with the right amount of force, and using the right technique, the boomerang will return to its original position - albeit slightly lower or away from it's original launch position.
This is due to the slowing of its acceleration or forward momentum because of air resistance. One the object has stopped traveling upwards, it begins to glide back down to earth.
It glides up and then down because it cuts through the air, and its shape forces the air around it, helping prevent it from moving forwards and down. Imagine there is a slide made from air. This is what the boomerang makes as it travels through the air. This only happens when the boomerang has a correct shape.
They were originally used by the aborigines to hunt birds with - as if they missed, the hunters could quickly retrieve their weapon.
Not all boomerangs were designed to return. Some were designed to simply be for stunning or killing animals.
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If you come back to the starting point your displacement is zero
In order to throw a snowball as hard as you can and it come back to you, you must throw the snowball straight up into the air.
Absolutely not. That would be the same as pouring water over a dead person, and bring them back to life! Just doesn't work that way.
Well, think of the indians. They would burn down all of their grass (which a lot of people would consider a waste of grass), but then the grass would, later, grow back. And as it was growing back it would come back greener and stronger. The same lies with hearts and spirits. There is a hole in someones heart from adversity, but later the hole would be filled in, and along with that, the spirit would come back alive and be stronger and happier too. Hope it helped!! :-) ;-)
He wondered how he could possibly help the woman.