Solve problem. Be sure to show your work and give a final answer with units rounded to the correct number of significant figures.
1) A wagon with a weight of 136 N is moved 19 m from its original location. How much work was done?
2) A simple machine requires 8.3 N of force to obtain an output force of 32 N. What is the mechanical advantage of the machine?
3) If an electrical appliance has 150.0 V applied causing a current of 2.34 amps, what is the resistance of the appliance?
4) What is the electrical power generated from a voltage of 12.3 V if the current is 9.42 amps?
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