A battery in a large flashlight produces a current of 2 ampe…

A battery in a large flashlight produces a current of 2 amperes in a light bulb that has a resistance of 3 ohms. What is the voltage of the battery? (Type your final answer with units in the box below. Show your equation and work on your scratch paper, or include it in the box below.)

An aluminum wing on a plane is 38 m long when the temperatur…

An aluminum wing on a plane is 38 m long when the temperature is 20oC. At what temperature (in oC) would the wing be 0.04 m shorter? Give your answer to one decimal place. Aluminum has a coefficient of linear expansion of 0.000025 per degree Celsius. (Hint: You are being asked for a temperature, not a temperature change.) (Type your final answer with units in the box below. Show your equation and work on your scratch paper, or include it in the box below.)

A car and driver have a total mass of 945 kg.  While roundin…

A car and driver have a total mass of 945 kg.  While rounding a curve on a flat road at a speed of 29 m/s, the net force acting on the car and driver is determined to be 56,767.5 N.  The radius of the curve is __________. (Type your final answer with units in the box below. Show your equation and work on your scratch paper, or include it in the box below.)