At a harbour, the effect of the tide changed the water level by 14.3 m in 5.5 h. What was the mean (average) change in water level per hour?
a. -2.6 m/h b. -19.8 m/h
c. -78.65 m/h d. -8.8 m/h

x + 4/7

step-by-step explanation:

use cymath

a

step-by-step explanation:

the answer is a

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)

step-by-step explanation:

when the line is solid:

when the line is dashed:

this > inequality sign means:

this < inequality sign means:

this > inequality sign means:

this < inequality sign means:

about the problem:

srry i'm not done ! i'll