Answer:
120 is the correct answer
Convert cm into meters,
50/100=0.5m
work done= 10x0.5
=5J
we dont consider the weight of the spring as it acts downwards.
Answer:N=0
Explanation:
Given


both blocks experiencing free fall so net weight of block during free fall is zero thus there is no normal reaction between them.
N=0
Lamina and turbulent flow
Explanation:
mentioning about lamina and turbulent flow we could say that both form in different period of time
<span>it would bond to the phosphate
</span>