The heat released by the gas is -225 J
Explanation:
First of all, we have to calculate the change in internal energy of the gas, which for a diatomic gas is given by
where
n = 0.235 mol is the number of moles
is the gas constant
is the change in temperature
Substituting,
Now we can us the 1st law of thermodynamics to find the heat absorbed/released by the gas:
where
is the change in internal energy
Q is the heat
W = 205 J is the heat done by the gas
Solving for Q,
Since the sign is negative, it means the heat has been released by the gas.
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Answer:They are equal and act in opposite directions.
Explanation:Newton's third law of motion states that for every action there is an equal and opposite reaction. In the case of Bode's rocket, the pressurized air in the bottle forces the water to gush downward out of the bottle, causing the rocket to launch upward into the air. The force of the water gushing downward is equal to the upward force on the rocket. So, the two forces are equal and act in opposite directions.
Lungs is what helps u breath
Answer: 750Kg
Explanation:
Recall that force is the product of the mass M, of an object moving at a uniform acceleration.
i.e Force = Mass x Acceleration
In this case, Mass = ?
Force = 3.00 x 10^3 N = (3.00 x 1000N)
= 3000N
Uniform acceleration = 4.00m/s^2
Force = Mass x Acceleration
3000N = Mass x 4.00m/s^2
Mass = (3000N/4.00m/s^2)
Mass = 750Kg (The SI unit of mass is kilograms)
Thus, the mass of the car is 750Kg