Pupils at the Lycée de Garçons in Luxembourg were given a physics problem to solve (after protests, it was removed from the school website and young stone-thrower Mohamed was replaced by a golf player ...)."Mohamed lives in Gaza. He is a Palestinian child and is throwing stones at the occupying Israelis. He wants to hit a soldier who is sitting on the top of a tank 60 metres away. ...
3. The child throws the stone at a speed of 20 metres/second. How long does it take for the soldier - from the moment he realises the stone has been thrown - to dodge ?
4. A second soldier, crouching on the ground, reacts by shooting once at the child with his rifle. The bullet leaves the rifle at a horizontal speed of 500 metres/second. How long does it take for the bullet to hit Mahomed?"
H/T: UPJF
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