use 4. A 12.0-kg mass is dropped from a hot air balloon at a height of 345 m above the ground. Find its speed at points 250 m above the ground and as it hits the ground. * Make a sketch and show in the completed solution working equations and calculations!

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Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.