For the flow nozzle shown, estimate the rate of flow of water through the venturi meter shown. Assume the temperature of water is 10°C. 1.2 m -1m- Air Diameter = 10 cm Diameter = 30 cm I 30°
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- Suppose a gas-filled incandescent light bulb is manufactured so that the gas inside the bulb is at atmospheric pressure when the bulb has a temperature of 20.0 . (a) Find the gauge pressure inside such a bulb when it is hot, assuming its average temperature is 60.0 (an approximation) and neglecting any change in volume due to thermal expansion or gas leaks. (b) The actual final pressure for the light bulb will be less than calculated in part (a) because the glass bulb will expand. Is this effect significant?Find the number of moles in 2.00L of gas at 35.0C and under 7.41107N/m2 of pressure.Calculate the depth to which Avogadro's number of table tennis balls would cover Earth. Each ball has a diameter of 3.75 cm. Assume the space between balls adds an extra 25.0% to their volume and assume they are not crushed by their own weight.
- Most automobiles have a coolant reservoir to catch radiator fluid than may overflow when 1he engine is hot. A radiator is made of copper and is filled to its 16.0L capacity when at 10.0C. What volume of radiator fluid will overflow when the radiator and fluid reach their 95.0C operating temperature, given that the fluid’s volume coefficient of expansion is =400106/C ? Note that this coefficient is approximate, because most car radiators have operating temperatures of greater than 95.0C.A construction worker uses a steel tape to measure the length of an aluminum support column. If the measured length is 18.700 m when the temperature is 21.2C, what is the measured length when the temperature rises to 29.4C? Note: Dont neglect the expansion of the tape.Most cars have a coolant reservoir to catch radiator fluid that may overflow when the engine is hot. A radiator is made of copper and is filled to its 16.0-L capacity when at 10.0 . What volume of radiator fluid will overflow when the radiator and fluid reach a temperature of 95.0 , given that the fluid's volume coefficient of expansion is =400106/C? (Your answer will be a conservative estimate, as most car radiators have operating temperatures greater than 95.0 ).
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- A wire lengthens 4% due to thermal expansion when heated from T. to T. If the wire were bent into the shape of a square, what percent increase in length would you expect along one edge of the square? If the wire were bent into the shape of a circle, what percent increase in diameter would you expect? Explain, using sentences and diagrams.A square array of 400 tubes 15 mm outer diameter is used to condense steam at atmospheric pressure. The tube walls are maintained at 88°C by a coolant flowing through the tubes. Calculate the amount of steam condensed per hour per unit length of the tubes.-A piece of stone weighs 0.05 pounds. When it is submerged in a graduated cylinder containing 50 ml of water, the level rises to 60 ml. What is the density of stone in g/ml. Ans 2.27 g/ml -The temperature at which mercury freezes is -35°C. What temperature in degrees Fahrenheit at which a mercury thermometer cannot be used? Ans. -31 °F