The units would be consistent around the world, allowing for easy comprehension of industrial diagrams and requirements as well as easier communication of engineers and scientists with one another.
Explanation :
There are some basic metric conversions.
Prefix Multiple of 10
centi 
Kilo 1000
deka 10
milli 
hecto 100
deci 
For example :

Answer:
Explanation:
See the file attached .
b ) Range of projectile
= u²sin2θ / g
= 42² sin32 x 2 / g
= 42² sin64 / 9.8
= 161.8 m
c )
Max height = u² sin²32 / 2 g
= 42² sin²32 / 2x 9.8
= 25.27 m .
Answer:
the answer is A.
Explanation:
An atom contains equal numbers of protons and electrons . Since protons and electrons have equal and opposite charges , this means that atoms are neutral overall.
Answer:
30,000 units, because total energy remains unchanged