Answer:
1.2 × 10^27 neutrons
Explanation:
If one neutron = 1.67 × 10^-27 kg
then in 2kg...the number of neutrons
; 2 ÷ 1.67 × 10^-27
There are.... 1.2 × 10^27 neutrons
The standard measurement system used by the scientists is called: International System Of Units, or SI. The units of measurement of a few physical quantities are considered to be base units. (Also do you need the base units too cuz I can help you with that) :)
Answer:106560 N
Explanation:
Given
Let Tension between 2 and 3 car be
and between 3 &4 is 

mass of freight car =37,000 kg
acceleration of car
is accelerating all freights behind 3
therefore


Thus


Answer:
Construction also impacts the community’s water quality. During the construction phase, pollutants can end up in the water supply. Once construction is over, the water quality can still be a problem due to an increased demand for water, as well as increased pollution due to additional residents.
Explanation:
Hope This Could be of some use