Question: 4. Find the current through and the potential drop (voltage) across each resistor in the diagram below. The resistance of each resistor is in ohms

4. Find the current through and the potential drop (voltage) across each resistor in the diagram below. The resistance of each resistor is in ohms ( ), and the battery provides 12.0 V of electric potential. [6 marks] MA 15 120V 5. What is the equivalent resistance of the resistor network below? [5 marks] 42 0 A 630 2102 84 0 105 0 (a) 6. Classify the following examples as transverse, longitu-haulonal vibrations.[8 marks] (a) A ball attached to a spring is bouncing up and down. (b) An agitator moves in an upright washing machine. (c) A child swings on a swing. (d) A child sits on a swing with the ropes twisted, so the child is spinning as the ropes are unwinding. 7. The world record for pogo jumping is 122 000 times in 15 h 26 min. [6 marks] (a) What type of vibration is occurring in the spring of the pogo stick? (b) Calculate the average period of vibration. (c) Calculate the average frequency of vibration

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