Answer:
The value of E(Y/X) is 2.
Step-by-step explanation:
As the complete question is not given, thus the complete question is found online and is attached herewith.
So the joint density function is given as

So the marginal function for X is given as

Now

Now the value of E(Y/X) is given as

So the value of E(Y/X) is 2.
Answer: 1.8 s
Step-by-step explanation:
Given
The height of the spring mass system above the table is given by

The mass is performing S.H.M with frequency 
and 

time when mass returns to its original position

Answer:
a
Step-by-step explanation:
because it goes to one side to another
Answer:
b .because the surface area of the sandwich
The answer is (3,-4). On a graph you see it is right in the middle. Hope this helps.