Answer:
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From the law of conservation of momentum, the velocity of the rocket after the fuel is expelled is 1.09 m/s.
<h3>What is the velocity of the rocket after the fuel is expelled?</h3>
The law of conservation of momentum is employed in determining the velocity of the rocket after the fuel is expelled.
According to the law of conservation of linear momentum:
where;
m1 be the mass of the rocket = 3.0 kg
m2 - the mass of fuel = 640 g or 0.64 kg
v1 - velocity of the rocket after the fuel has been expelled
v2 - average velocity of expelled fuel = 5.1 m/s
making v1 subject of the equation of the conservation of momentum
v1 = v2*m2 / m1
v1 = 5.1 * 0.64/3
v1 = 1.09m/s
Therefore, the velocity of the rocket after the fuel is expelled is 1.09 m/s.
Learn more about velocity and momentum at: brainly.com/question/20586658
Answer:
The three types of impact that occur are those involving the vehicle, the body of the vehicle occupant, and the organs within the body of the occupant.
Answer:
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Answer:
(b) both the temperature and pressure of the gas decrease.
Explanation:
An ideal gas undergoes an adiabatic expansion, a process in which no heat flows into or out of the gas. As a result, both the temperature and pressure of the gas decrease.
Gay Lussac states that when the volume of an ideal gas is kept constant, the pressure of the gas is directly proportional to the absolute temperature of the gas.
Mathematically, Gay Lussac's law is given by;
Also, according to the first law of thermodynamics which states that energy cannot be created or destroyed but can only be transformed from one form to another. Thus, the ideal gas does work on the environment with respect to the volume and temperature.