Question: please solve step by step 2. The log in the figure has a mass of 500 kg and rests on the ground for which the

please solve step by step

2. The log in the figure has a mass of 500 kg and rests on the ground for which the coefficient of friction is # = 0.4. The winch delivers a towing force T to its cable at A which varies with time as shown in the graph. Use the Principle of Impulse and Momentum to determine the speed of the log when t = 5s. ( Hint: First determine the force needed to begin moving the log.) T(N) 6400 T = 400 /2 I (s) 4 A

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