The water pressure at this depth and the total pressure due to water and atmosphere are  10.3 x 10⁵ Pa and 11.31× 10⁵ Pa.
<h3>What is pressure?</h3>
The pressure is the amount of force applied per unit area.
Atmospheric pressure, Patm =1.01×10⁵ Pa
Density of water, ρ=1030 kg/m³
Depth, h=100 m
Pressure =ρgh
P = 1030×10×100
P = 10.3 x 10⁵ Pa.
Total pressure, P=Po +ρgh
P=1.01×10⁵ + 1030×10×100
P=11.31× 10⁵ Pa
Hence, total pressure is 11.31× 10⁵ Pa.
Learn more about pressure.
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Answer:
D) True. the protostar rotates more quickly.
Explanation:
If the system is isolated, the angular momentum must be retained.
Initial
         L₀ = I w₀
Final
         =
 =  
   
       L₀ = 
       I w₀ = 
 
       = I /
  = I / w₀
 w₀
In general, the radius of the cloud decreases significantly to form the star, the moment of inertia must decrease, so the angular velocity must increase
Let's examine the answers
A) False. The opposite happens
B) False. Speed changes
C) False. For this there must be an external force, which does not exist
D) True. You agree with the above
 
        
             
        
        
        
Answer:
copper, silver, aluminum, brass
Explanation:
you could have looked that up 
 
        
             
        
        
        
The ratio will remain the same and the and the extra reactant will just be left.
Hope I helped !
        
             
        
        
        
Answer:

Explanation:
By the definition of  centripetal acceleration ,

where ,
a =  centripetal acceleration
V= velocity
r =  radius of circle
