Whether it is correct to say that instant news on radio means that news is hearing at the same instant of speech by newsreader and if not, find the time needed for radio wave to reach California from Maine.

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1. An ideal gas is taken through a four process cycle abcda. State a has a pressure of 498,840 Pa. Complete the tables and plot/label all states and processes on the PV graph. Complete the states and process diagrams on the last page. Also, provide proper units for each column/row heading in the tables. Pressure (Pa) 500,000 450,000 400,000 350,000 300,000 250,000 200,000 150,000 100,000 Process ab bc cd da States P( ) V( ) 50,000 0 0.000 T = 500 K T= 200 K 0.001 0.002 0.003 0.004 0.005 Volume (m^3) Nature of Process isothermal expansion to Vb = 0.005 m³ (T = 500 K) isometric isothermal compression to V₁ = 0.003 m³ (T = 200 K) adiabatic compression to VA = 0.001 m³ b C a T() U ( ) Processes a-b Q( ) +802.852 W() AU ( ) b-c c→d +101.928 da Cycle

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Chapter 24, Problem 5CQ

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Whether it is correct to say that instant news on radio means that news is hearing at the same instant of speech by newsreader and if not, find the time needed for radio wave to reach California from Maine.

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1. An ideal gas is taken through a four process cycle abcda. State a has a pressure of 498,840 Pa. Complete the tables and plot/label all states and processes on the PV graph. Complete the states and process diagrams on the last page. Also, provide proper units for each column/row heading in the tables. Pressure (Pa) 500,000 450,000 400,000 350,000 300,000 250,000 200,000 150,000 100,000 Process ab bc cd da States P( ) V( ) 50,000 0 0.000 T = 500 K T= 200 K 0.001 0.002 0.003 0.004 0.005 Volume (m^3) Nature of Process isothermal expansion to Vb = 0.005 m³ (T = 500 K) isometric isothermal compression to V₁ = 0.003 m³ (T = 200 K) adiabatic compression to VA = 0.001 m³ b C a T() U ( ) Processes a-b Q( ) +802.852 W() AU ( ) b-c c→d +101.928 da Cycle

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A = 45 kN a = 60° B = 20 kN ẞ = 30° Problem:M1.1 You and your friends are on an archaeological adventure and are trying to disarm an ancient trap to do so you need to pull a log straight out of a hole in a wall. You have 1 rope that you can attach to the log and there are currently 2 other ropes and weights attached to the end of the log. You know the force and direction of the ropes currently attached are arranged as shown below what is the magnitude and direction 'e' of the minimum force you need to apply to the third rope for the force on the log to be in direction of line 'a'? What is the resultant force in direction 'a'? a ////// //////