Physics... again

2011-08-24 2:55 am
What is 'ms' in 'He aims the lidar gun at the car and gets two round-trip time: 300ns &300.24ns. The two data are taken 1 ms apart.'

回答 (2)

2011-08-24 4:12 am
✔ 最佳答案
順便寫

(name, symbol , multiple)

peta, P, x10^15

tera, T, x10^12

giga, G, x10^9

mega, G, x10^6

kilo, k, x10^3

hecto, h, x10^2

deca, da, x10^1

deci, d, x10^-1

centi, c, x10^-2

milli, m, x10^-3

micro, μ, x10^-6

nano, n, x10^-9

pico, p, x10^-12

femto, f, x10^-15

所以ms是millisecond
1 ms = 1x10^-3 = 0.001
ns是nanosecond
1 ns = 1x10^-9 = 0.000000001
參考: me
2011-08-24 3:40 am
1 ms = 1 millisecond

1 second = 1 000 millisecond


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