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Q: Why is a photogate and timer considered to be accurate and precise?
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How do you get 16 minutes by using a 10 and7 minute timer?

You set the 10 minute timer for 9 minutes and the 7 minute timer for the full 7 minutes.


Why is zero not considered a counting number In timer down counters it counts down to zero?

If a timer is counting down from 30, it doesn't actually count 30. It starts counting at 29. If you are counting up to 10, you wouldn't count the number that you are counting from. If you counted 0, you would actually be counting 11 numbers.


You have 2 sand filled egg timers one for 9 minutes and one for 2 minutes. how can you use both of them to time a 5 minute egg?

you put the 9minute timer and the 2minute timer on together when the 2min timer finishes flip it 2min timer to make 4mins. when the 2min timer is finished start timing the egg and wait for the 9min one to finish :)


How many times must a three-minute timer be flipped to measure a half hour?

1 hour = 60 minutes. Half an hour = 60/2 = 30 minutes. 30 minutes = 30/3 = 10 turns on a 3-minute timer PROVIDED the timer is turned at exactly the right moment and turning the timer takes no time at all.


What are the advantages of using the tlm 300 distance measurer over a tape measure?

well for one thing it measures distances that are far longer than a tape measure could ever stretch. 200metres to be precise and some of these other reasons: · It has a Pythagoras function for remote measurement of high walls. · It can measure distances up to 200m which the tape measure cannot. · It has min-max, tracking and trapezoid measurement for accurate layout. · It has memory and history recall. · It has a rapid and precise one person operation over long distances. · It is easy for it to take measurements in busy or out-of-reach areas. · It has calculator functions for quick and easy area, volume and other measurement. · It has a timer function. · A one person operation means greater productivity. · Level ensures measurements are extremely accurate. · It has a fitting for a camera tripod. hope this info is good enough im doing a project on it as well so that's how i know all this byeeeeeeeee:)