Answer:
assembled
Explanation: because it was last weekend it was in the past so the past tense of assembled must be used
Answer:

Explanation:
We have given initial length of the steel guitar l = 1 m
Cross sectional area 
Young's modulus 
Force F = 1500 N
So stress 
We know that young's modulus 
So 

Now strain 


It should be C. If the object is denser than the fluid, it will sink. If it isn't, it will float
Answer:
This is because the air outside is always cooler than the air inside, so after staying outside your body adapts to the cold air, when you come back inside, the cold air is still in you which makes the room seem warmer.