Do moving objects really move.....

matt_london1 | 21:50 Thu 07th Feb 2008 | Science

3 Answers

in a continous movement or are they starting and stopping ever so quickly. Because if the former then they can never really be pin pointed at any time. 3 dimensions are used to provide a position in space where something is and 4 dimensions adds the time it was there, but if a ball was rolling down a hill you would never be able to definitively describe its position in this way.

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rojash

Well, think about it: if they were starting and stopping ever so quickly, what would the G forces be like? E.g., a plane travelling at 400mph decelerates to zero in an immeasurably small time then accelerates, at which point it immediately decelerates to zero again. Be fun to be a passenger!

Azalian

Physics can easily describe position, velocity, acceleration and momentum for any object in motion.

What on earth do you think Newton'slaws of motion are for?

matt_london1

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Hey Azalian why don't you ease up on the sarcasm. This website is theanswerbank.co.uk not I'm a know all big headed knob.com. ok?

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