Complete Question
The complete question is shown on the first and second uploaded image
Answer:
The minimum mass of 
correct option is E
Explanation:
Free body diagram of the set up in the question is shown on the third uploaded image
The mass of board is 
The length of the board is 
The length extending over the edge is 
The second mass is 
Now to obtain 
we take moment about the edge of the platform
Substituting value
You should ALWAYS wear lab coats and safety goggles because if anything gets in your eye that will be bad.You should always wear sneakers.If any chemical falls on your open toes then that can hurt you and effect you in a lot of ways.Some labs have this rule,you are not aloud to eat or drink in lab.Hope this helps!
This is called super-saturation
hope this helps :)))))))
Explanation:
6. Converge or come together
7. convex
A person suffering from hyponatremia has too little sodium in the bloodstream. This condition appears when their is more amount of water as compared to solute. it is commonly caused by diarrhea, heart failure and liver disease. Person suffering from this condition must reduce the intake of water.
So the correct choice is
a. Too little sodium in the bloodstream.
