A cylindrical oil tank lies 10 ft below ground so that its circular base is parallel to the ground. Suppose the tank has a radius of 15ft and a height of 6ft, but is only half full of oil. Assume the oil weighs 10bs/ ft3. In your written work: How much work would it take to pump all of the remaining oil out of the tank and up to the ground level? Show all work. Here: Type your answer rounded to two decimal places here. (no units needed)
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- 1 2 3 4 5 7 8 9 10 11 7 of 20 S 12 13 14 15 Combustion of a rocket engine involves the reaction between hydrogen and oxygen. This releases 242 kJ of heat into the environment. If the initial energy was 17 kJ and the final energy was 494 kJ, how much work was done? Was this work done to or by the system? Be sure to show all of your work and include the correct units. Use the paperclip button below to attach files. B E :: Ω acer Ce & % %23 8. 9. 4. y hPlease show work so I can understandShow your work.
- what is the numerical uncertainty associated with the value calculated for Q? show your work. thanks.A car mass is 1000 kg drives on a bridge over a river at a speed of 8m/s. The bridge is 12 meters on the greatest a) What is the total energy of the car while it is on the bridge? Show your work. b) Now imagine the car is parked on a very tall building. How big would the building need to be for the car to have the same total energy that it did in part ? show your work 8 9 *- *+ 5 T G 6 Y H & 7 U J 8 *F9 M K F10 9 O F11 0 L P F12 PrtSc t2.10 You may have seen children play- ing in the summer with large- capacity water "soakers" shown schematically in the figure to the right. The air compartment of volume 750 cm³ is first manually pumped to P = 2.5 bar (absolute); its temperature is initially 30 °C. air tank v Dished high bot trigger 3 water pump When the trigger is pressed, the compressed air expels the water through a 2 mm diameter tube at a velocity of 8 m/s. Estimate the temperature and pressure in the air reservoir after 5s of operation. Air can be considered an ideal gas with Cy=5R/2. You may neglect the presence of water in the vapor phase. State any additional assumptions.
- A toy uses a spring to launch projectiles. If the spring has a spring constant of 80 N/m and is compressed a distance of 0.04m, how high in the air could it launch a 0.003-kilogram projectile? Show your work.Please provide details about your resolution process. Please show complete, organized and correct work for each question. 2. A cylindrical object—with radius R, length L, and density ??—sits on a scale at the bottom of vat of fluid with density??.a. Draw and label a free body diagram for the object. (Don’t forget to set up a coordinate system and to label the acceleration info. Also, be sure to use the gridlines to help you draw arrows that show the correct directions and relative magnitudes of the forces. Finally, be sure to label your forces clearly to indicate the types of forces.)b. Use Newton’s 2nd Law to derive an expression for the reading on the scale.Need help with part D! Thanks
- Please explain in detailsthe illustration below shows the individual cones of depression that would result if either well A or B were pumping at 50 gmp for 4 hours (alone). In those conditions, the drawdown at point C would be 5 feet. How much drawdown would occur at point C if BOTH wells were pumping at 50 gmp for 4 hours at the same time? s = Q/4πT T= Q/4πs Please show all work. note: the answer should be "s=10"The power of an electrical device can be calculated using the following formula: v2 P = R where P is the power measured in watts, Vis the electric potential ('voltage') measured in volts, and R is the resistance measured in ohms. Part (a): Calculate the power of a hair dryer that has a resistance of 14 ohms and operates at 120. volts. Show your work, and ensure that each numeric value has the appropriate units. Your answer should be rounded to the appropriate number of significant digits. Part (b): Watts, volts, and ohms are Sl units that can be expressed in the 'base' SI units as follows: kg-m2 kg-m2 kg-m2 watt = s3 volt ohm s3.A ' s3.Ą2 ' (Recall that 'A' is the abbreviation for an ampere.) Use algebra and the equation at the top of the page (P=V/R) to show that the base Sl units for watts equal the base Sl units for volts?/ohms. You do not need any numbers in this algebraic exercise. Instead, treat each of the base SI units (kg, m, s, A) as if it were an algebra variable (like x or…