Crosswords0 min ago
Half A Second
I’m trying to explain how close a 100m race is even though on the telly it looks likes there’s a distance between sprinters! There’s sometimes half a second between first and last. It's longer than a blink but....
So, how high off the ground would I have to hold a tin of baked beans (or any other readily available produce) in order to demonstrate how long half a second is between release and impact? Many thanks.
So, how high off the ground would I have to hold a tin of baked beans (or any other readily available produce) in order to demonstrate how long half a second is between release and impact? Many thanks.
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For more on marking an answer as the "Best Answer", please visit our FAQ.In the time of Aristotle, it was presumed that the speed at which an object fell was entirely down to the weight of the object and that speed was instantaneous and constant throughout the fall. So sure were they of these (obvious) conclusions that they never felt compelled to do an experiment . . .
WARNING: You might want to turn the volume down (or off) before running this Youtube video - http:// tinyurl .com/ky fabfx
WARNING: You might want to turn the volume down (or off) before running this Youtube video - http://
The only thing mass affects is the maximum speed that can be reached by any object. Eventually, in air a feather will fall at a far slower speed than a cannonball. But the acceleration due to gravity is the same (acceleration can be affected by air as well, though). Take away the air and the two will fall at the same speed, as was demonstrated on the Moon.