An airplane is flying west at 200 km/h two hours later it is flying west at 300 km/h it's average acceleration is 100 km / hour2 true or false

FALSE

Explanation:

To get the acceleration you would subtract the initial velocity from the end velocity so 300-200 would be 100, then you divide that by the time in this case 2 hours. This leaves you with the average acceleration as 50km/hr.

the answer is 1260

you spend 7 hours in school for 1 school day with 5 school days in 1 school week with 36 school weeks in a school year.

7*5*36= 1260 it's all about multiplying

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.