3.Truck drivers approaching a steep hill that th

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3.Truck drivers approaching a steep hill that they must climb often increase their speed. What good does this do, if any? (3 marks)

2. A steel cable with a total length of 100 m and a mass of 1000 kg is connected to two poles. The tension in the cable is 500 N, and the wind makes the cable vibrate with a frequency of 2 Hz. Calculate the wavelength of the resulting wave on the cable. (5 marks)

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