1. Fill in the blanks FX FY F Angle (degrees) from the x axis 10 30 10 10 10 60 20 35 15 60 2. An airplane flew for one hour and
landed 120 miles north and 90 miles east from its origin. What was the distance traveled, speed and angle of direction from its origin? 3. A flagpole’s shadow is 50 meters long. The sun shines at an angle of 600 from the ground. How high is the flagpole? 4. A force has a magnitude of 50 newtons and direction of 400 from the x axis. Resolve the Fx and Fy components of the force. Also prove that these two forces can be resolved back to the original force.
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The gas is in a rigid container: this means that its volume remains constant. Therefore, we can use Gay-Lussac law, which states that for a gas at constant volume, the pressure is directly proportional to the temperature. The law can be written as follows:
Where P1=5 atm is the initial pressure, T1=254.5 K is the initial temperature, P2 is the new pressure and T2=101.8 K is the new temperature. Re-arranging the equation and using the data of the problem, we can find P2:
So, the new pressure is 2 atm.