A sample of a solid substance has a mass m and a density p0 at a temperature T0. (a) Find the density of the substance if its temperature is increased by an amount △T
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A sample of a solid substance has a mass m and a density p0 at a temperature T0. (a) Find the density of the substance if its temperature is increased by an amount △T
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- A bubble of air is rising from the sea floor, from a depth of about 500 m. At this depth the pressure is 5.1*106 Pa (about 50.3 atm) and is at a temperature of about 7.0° C. It rises to the surface with the atmosphere, at a temperature of 20° C. If the bubble is observed to have a volume of 4 cm³ at the surface, what was its volume at the sea floor? Assume the number of moles of gas in the bubble is constant. B.The temperature at a point (x, y) on a flat metal plate is given by T(x, y) = 96/(2 + x² + y2), where T is measured in °C and x, y in meters. Find the rate of change of temperature with respect to distance at the point (1, 3) in the x-direction and the y-direction. (a) the x-direction 1 °C/m (b) the y-direction Need Help? Read It °C/m Show My Work (optional) W S 3 E D $ 4 R LL % O G F7 A H FA * ( 9 ) O 4x D 7:16 PM 10/3/2022 BackspaceThe container shown in (Figure 1) is filled with water at a temperature of 15 °C and a depth of h = 1.6 m. Figure 1 m h < 1 of 1 Part A If the container has a mass of 45 kg, determine the combined weight of the container and the water. Express your answer to three significant figures and include the appropriate units. WT- = Submit O μᾶ Value Provide Feedback Request Answer O kN ? 1
- A machinist wishes to insert an iron rod with a diameter of 9 mm into a hole with a diameter of 8.998 mm. By how much would the machinist have to lower the temperature (in Celsius) of the rod to make it fit in the hole?A certain gas initially occupies 4.0 m3 while at a temperature of 40 oC and a pressure of 1.2 atm. If the temperature and pressure of the gas are raised to 60 oC and 1.5 atm, respectively, what will be the new volume?