A fuel-efficient car is able to convert the chemical potential energy of gasoline into translational kinetic energy at an efficiency of 78.4%. If there is 8742 kJ of chemical potential energy in one tank of gas, what is the amount of translational kinetic energy produced. How to manipulate formula eff=output/input x 100
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A fuel-efficient car is able to convert the chemical potential energy of gasoline into translational kinetic energy at an efficiency of 78.4%. If there is 8742 kJ of chemical potential energy in one tank of gas, what is the amount of translational kinetic energy produced. How to manipulate formula eff=output/input x 100
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- A piston has an external pressure of 8.00 barbar. How much work has been done in joules if the cylinder goes from a volume of 0.180 litres to 0.650 litres. Express your answer with the appropriate units. W=A gas is compressed inside a cylinder. An average force of 45 N acts to move the piston 4.7 m. During the compression, 85 J of heat are conducted away from the gas. What is the change in internal energy of the gas? Calculate answer to one decimal.The energy released from condensation in thunderstorms can be very large. Calculate the energy (in J) released into the atmosphere for a small storm of radius 2.6 km, assuming that 2.5 cm of rain is precipitated uniformly over this area. (Assume that the rain is precipitated over a circular area and that the density of water is 1000 kg/m3.) _________J
- A gas is compressed inside a cylinder. An average force of 67 N acts to move the piston 4.4 m. During the compression, 82 J of heat are conducted away from the gas. What is the change in internal energy of the gas?A rubber band at temperature T is fastened at one end to a peg, and supports from its other end a mass m in a gravitational field g. Model the rubber band as a linked polymer chain of N segments joined end-to-end. Each segment has a length a and can be oriented either parallel or anti-parallel to the vertical direction. Find an expression for the average length of the rubber band as a function of B, m, g, N, and a. You may neglect the kinetic energies and masses of the segments themselves, and any interaction between the segments.Please help me with this question and explain it. Thank you!
- If I add 38,626 J of energy to an ideal gas inside a balloon, causing the internal energy to increase by 6,997 J, how much work is done on the environment by the gas as the balloon expands?Convert 7.13 ✕ 103 cal to the equivalent number of kilocalories (also known as Calories, used to describe the energy content of food), and joules. (a) kilocalories ?kcal (b) joules ?Jm = 0.593 kg of methanol in atmospheric pressure is heated with an electric heater from T₁ = 30.2 °C to its boiling point. After the heating my methanol is vaporized. Heating and vaporizing takes t = 450.41 s with n=0.59 heater's efficiency. What is the volume of methanol? V = What is the energy required for heating? E₁ = 1 kJ m³ Your last answer was interpreted as follows: 1 What is the energy required for vaporizing? Ev = 1 kJ Your last answer was interpreted as follows: 1 What is the power of the heater? P = 1 с Your last answer was interpreted as follows: 1 Your last answer was interpreted as follows: 1 What is the electr. energy needed for heating and vaporizing? Eε = 1 kJ Your last answer was interpreted as follows: 1 h Do not leave any fields blank. If you don't know the answer, insert 1 for example. Insert the answer with 3 significant digits without rounding the answer. Constant P Tb Value Unit 2.53 1165 786.3 64.7 °C umges Quantity heat capacity kg K kJ kW kg kg LAN Symbol h…
- Q20: Dr. Fahrrad has been riding his bike to his job and is curious how many ATP his body is breaking apart in order to do the work required to get to his job. Dr. Fahrrad rides 8.6 kilometers to his job, has a mass of 68.4 kilograms and has an average acceleration of 2.4 kilometers per second squared. The molecule ATP is able to do work, measured in kilojoules per mole of ATP broken into ADP. The SI unit for work is a joule. Using the information given we can calculate work and then convert to moles of ATP. The first step is to take stock of what we are given in the word problem and what we are trying to find. We have mass, distance, and average acceleration. We are trying to find how many ATP are required to power the bike ride to work. The equation for work, is force times distance and will tell us how many joules Dr. Farrhad is using on his bike ride. It also incorporates one of our given variables, distance. However, the distance was reported in kilometers and the SI unit of…A typical avocado has 180 Calories. If all this energy could be used to lift a bucket of water weighing 40 N, through what vertical distance could the bucket be lifted? (1 calorie = 4.184 J and 1 Calorie = 103 calories) a. 1.72E+6 m b. 3.01E+7 m c. 7.53E+5 m d. 1.88E+4 mConsider the thermodynamic process, A->B->C->A shown above. The heat absorbed during A->B is 591J. If the change in internal energy during B->C is 4146J, What is the change in internal energy in SI units during C->A? Express only the number of your answer with 4 significant figures.