Find the weight of the following mass;
(a) 220g
please show the formula

Explanation:

weight=mass*gravity

w=mg

first change 220g to kg like this

1kg=1000g

?=220g

1kg*220g/1000kg=220/1000g

mass =0.22kg

now we can continue

w=0.22kg*10m/s^2 or w=0.22kg*10N/kg

=2.2N =2.2N

hope it helps you

which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?  

answer

a 75kg dining table

d) physical means can be used to separate the components of air.