A light plane is headed due south with a velocity of 157, Ask an Expert

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Q. A small immersion heater is rated at 333 W. Estimate how long it will take to heat a cup of soup (assume this is 250 mL of water) from 20°C to 50°C.

Q. A light plane is headed due south with a speed of 157 km/h relative to still air. After 1.00 hour, the pilot notices that they have covered only 121 km and their direction is not south but southeast (45.0^circ).

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