Use GRESA format in doing your solution. Express your answer in two decimal places. FREE FALL A train is operating at an average speed of 115.5 km/h for 3 hours, then at an average speed of 108.0 km/h for the next 2 hours, and lastly it had an average speed of 112.5 km/h on its last 1 hour trip. What was the average speed for the 6 hour trip? NEWTON’S LAW OF MOTION A wagon accelerates 15.0 m/s2 when a force of 650.0 newtons is applied to it. What is the mass of the object? An object with a mass of 3.4 kg has a force of 8.7 newtons applied to it. What is the resulting acceleration of the object?

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