Answer
given,
V = 2 L
the left is an ideal gas at  P = 100 k Pa and T = 500 K
mass is constant
  

Pressure is same because it's not changing due to process






m = 1.39 x 10⁻³ Kg


 
        
             
        
        
        
Answer:
The acceleration is 11.25 km/hr
Explanation:
Divide the velocity over time to find the acceleration. The bus is accelerating 11.25 km/hr per second in the range of 8 seconds
 
        
             
        
        
        
Answer:
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Explanation:
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Answer:
the correct affirmation is the 3
Explanation:
Let's analyze the problem with Newton's second law before looking at the claims.
X axis parallel to the plane, positive down
       F -fr + Wₓ = ma
Y Axis perpendicular to the plane
       N -Wy = 0
With trigonometry
      Wₓ = W sin θ
      Wy = w cos θ
Let's multiply by the displacement along the plane, to relate to the work, which has as expression W = F d
      F d -fr d + Wx d = ma d
Push                  W₁ = Fd
frictional force  W₂ = -fr d
gravity               W₃ = Wx d
     W₁ + W₃ -W₂ = m a d
Analysis affirmations:
R1) false. The work of gravity is the subtraction    
R2) false. Each force contributes according to its magnitude
R3) true. In the equation we see that, if the acceleration is zero, W2 = W1 + W3
R4) False. It equals the difference
the correct affirmation is the 3