D. A box with a mass of 25 kg and a box with a mass of 10 kg are lifted and set on the same shelf. Which of the following describes their energy? O The box with a mass of 10 kg has more energy. O The box with a mass of 25 kg has more energy. They have the same amount of energy. They are not moving, so they have no energy.
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A: I have to drink a lot of water because I am thirsty here we need to use have to instead of must
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A: In this problem, it is asking where the high and low kinetic energy and potential energy will occur.
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A: Given data, m= 10 kg h= 3 meters
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A: In a lever, the load arm is always the part from the __ to the fulcrum. A. Force B. Mass C. Load
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A: Box moving at a constant velocity implies that there in no external force in the system, from 1st…
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A: GivenMechanical advantage of lever A=6as we know that mechanicl advantage=output forceinput force…
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A: He enjoys having a bath in the evening.
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A: given:mechanical advantage M.A=50Finput=48Nlift the car x=1.5m
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Q: Find the potential energy of a 2 kg rock held 3 meters above the ground.
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A:
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- 1. Energy consumption in a country from 2001 to 2011 increased from 1041.3 million to 1526.1 million BOE (barrels of oil equivalent). If the high calorific value (HHV) of the oil is 141,000 kJ/gallon what is the increase in energy consumption over 10 years in Joule units. What is the rate of energy consumption per year? 2. Based on data on the rate of energy consumption per year from question no. 1, if the growth rate energy 2.5% per year, calculate the doubling time (td) and what is the approximate rate of energy growth in 2021.plsss pasagot po asap nandyan po link ng steam table na gagamitin salamat using this steam table https://www.google.com/url?sa=t&source=web&rct=j&url=https://homepages.wmich.edu/~cho/ME432/Appendix1Udated_metric.pdf&ved=2ahUKEwictab6tLX3AhU4yjgGHZ7OANIQFnoECDQQAQ&usg=AOvVaw0UoKHhB-caJ5SjO2gZ695dMost of you have seen car advertisements where the car manufacturerbrags about how fast one of its cars can go from 0 to 100 km/h. Accordingto the manufacturer, the BMW 750iL model can go from 0 to 100 km/h in6.7 seconds. This performance is usually measured on a test track. The engine in the car is rated at 243 kW at 5000 rpm. The car has a reported weight of 23 kN . Is the claim by the manufacturer justifiable? Well, to answer this question you may agree it would be more fun to drive toa BMW dealership and take the car for a test run on a racing track. But let us answer this question with the knowledge you have gained so far in this course. We need to make some assumptions first; we can assume that the driver weighs 900 N and the reported weight of the car includes enough gasoline for this test. Next, we convert the speed and the mass values into appropriate units.
- According to the U.S. Geological survey, the volume of water in oceans, seas, and bays is 1.41 ✕ 1018 m3. The average concentration of naturally occurring uranium in seawater is 3.15 ✕ 10−6 kg/m3. If 0.670% of naturally occurring uranium is the fissionable isotope U-235 and each fission reaction yields 200 MeV, estimate the amount of time the uranium in the seawater on the planet could meet the planet's energy needs at an average usage of 1.94 ✕ 1013 J/s.facebook Leland Bartolome Active Now 3. A gas at 20 °C and 0.20 Mpa absolute has a volume of 40 liters and a gas constant R=210 N.m/kg-K. Determine the a) density b) mass of the gasLet's say that the semiempirical binding energy formula is Eb= aA-bA^2/3 - s(N-Z)^2/A -dZ^2/A^1/3 where a,b,s,d are constants. Imagine that you are in a different universe where there are 3 types of nucleons with spin equal to 1/2 and electric charges equal to +1, -1 and 0. Mass similar to that of a proton. Forces are similar to those of our universe. i) How do equations change for A and Z as a function of N+, N-, No and what is the semiempirical equation for the binding energy as a function of A, Z, and No? ii) At what Z and No do we have the maximum and minimum binding energy for every A? iii) When do we have stable nuclei under beta (β) decay? If "alpha particle" in this situation has N+ = N- = No = 2, what does apply for alpha (α) decay? iv) What does apply for nuclear fission and finally, how would life be in this situation?
- 7. Saul ascends from the city of Tucson, Arizona to the top of Kitt Peak, 2900 m above the sea level. Usually, Saul will feel his ears “pop” as the pressure inside his ears attempts to maintain the equilibrium with the surrounding air. However, on this day Saul has cold and his Eustachian tube is clogged, causing a tremendous pressure behind his 4.0×10^(-5) m^2 ear drum. What force does Saul feel pushing on his ears? (D_air=1.20 kg/m^3) a. 0.50 N b. 0.05 N c. 0.12 N d. 0.08 N e. None of the aboveThe total consumption of electrical energy in the United States is about 1.0 1019joules per year.What is the average rate of electrical energy consumption in watts?If the population of the United States is 300 million, what is the average rate of electrical energy consumption per person?The sun transfers energy to the earth by radiation at a rate of approximately 1.0 kW per square meter of surface. If this energy could be collected and converted to electrical energy with 40 % efficiency, how great an area (in square kilometers) would be required to collect the electrical energy used by the United States?Chemistry The contact angle for water in a clean glass is zero. Calculate the surface tension of waterin a 0.3 mm diameter vertical tube if the water rises to a height 4.96 cm above the liquidoutside the tube, knowing that specific gravity of water equals 998.2 kg/m 3 and theacceleration due to gravity equals 9.806 m/sec2
- Fluid mechanics -Q (1)NASA sent a probe to Saturn's moon Titan, where the acceleration due to gravity is 1.4 meters per second squared [ms2]. Titan's atmospheric pressure is 1.3 times Earth's atmospheric pressure at sea level. The probe landed in a lake of liquid methane, which has a density of 0.454 kilograms per liter [kgL]. Since the probe weighs 300 pounds-force [lbf] on Titan and has a volume of only 1.2 cubic feet [ft3], it immediately sank. It now sits 65 feet [ft] below the surface of the lake. The lake has a surface area exposed to the atmosphere of 24500 square meters [m2]. What is the total pressure exerted on the probe, in pascals [Pa]?In the United States, electricity is sold using the SI units of kilowatt (kW) or megawatt (MW), and fuel for power generation stations is generally purchased using English units, e.g., British thermal unit (Btu), gallon (gal), and ton. An industrial power plant has an average annual load of 100 MW (electrical). If the overall thermal efficiency is 33% (based on HHV), what is the annual cost of fuel if the plant is fired with (a) natural gas, (b) No. 2 fuel oil, and (c) bituminous coal? Use the data from Tables 2.2, 2.7, and 2.13. Assume the cost of natural gas is $5/million Btu, the cost of No. 2 fuel oil is $3/gal, and the cost of bituminous coal is $60/ton (1 ton = 2000 lbm)