Physics

How much work is done on a 80 n crate that you can carry horizontally across 2m room?1) 1 j because horizontal 2) 2 j because horizontal 3) 0 j because horizontal 4) none of those
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A Helmholtz resonator is a simple cylindrical cavity that suppresses most frequencies and strongly amplifies a few resonant frequencies.
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Assuming the precision, P, with which this electromagnetic radiation can shape the cornea is inversely proportional to wavelength (the shorter the wavelength, the higher the precision), how much more precise can this ultraviolet light be than the shortest wavelength of visible light, which is 380 nm
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discuss the key characteristics of the plot. consider the points when potential energy u is maximum, u is minimum, kinetic energy k is maximum, k is minimum and when u and k are the same value. what is the significance of these points?
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Write an expression for the speed of the heavier mass as a function of their separation distance, r, which is measured cm to cm and decreases over time as the masses move toward each other due to their gravitational attraction.
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A Calculate the young Young's modulus in thecalculate the Youngs modulus cantilever depression method. The length is Im. which is suspended with a load of 150gm. Thedepression is found to be 4cm. The thickness of thebeam is 5mm and breadth is 3cm (take gravity =9. 8)
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what are the two major types of mechanical energy and how do you calculate each equations with variables identified?
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What is the definition of physical activity? A. a movement that stimulates your respiratory system B. a movement that causes perspiration C. a movement that results in the bodys use of energy D. a movement that requires little effort
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A force that exists between any two objects that have mass
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What advice would you give to the company that wants to build a bridge in south america? make sure to include whether there is anything the company should change about its design and materials. give specific examples. your answer should include at least five complete sentences. (this is about earthquakes) will make brainlest and 20 points
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Starting with H = U + PV show that for an ideal gas,Cp = Cv + Nk. (This relies On the fact that H and U are independent of pressure and volume so dH /dT (dH/dT)p and dU /dT = (dU/dT)v )
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Particles q1, 92, and q3 are in a straight line. Particles q1 = -1. 60 x 10-19 C, 92 = +1. 60 x 10-19 C,and q3 = -1. 60 x 10-19 C. Particles 91 and q2 areseparated by 0. 001 m. Particles q2 and q3 areseparated by 0. 001 m. What is the net force on 92?Remember: Negative forces (-F) will point LeftPositive forces (+F) will point Right-1. 60 x 10-19 C+1. 60 x 10-19-1. 60 x 10-19 C91+ 92930. 001 m0. 001 m
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Four identical particles of mass 0. 913 kg each are placed at the vertices of a 4. 30 m x 4. 30 m square and held there by four massless rods, which form the sides of the square. What is the rotational inertia of this rigid body about an axis that: a. Passes through the midpoints of opposite sides and lies in the plane of the squareb passes through the midpoint of one of the sides and is perpendicular to the plane of the squarec. Lies in the plane of the square and passes through two diagonally opposite particles
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Answer all of these for me, please!! :)1) if a circuit has 300 ohms of resistance with a 15 v power supply, what current would it draw in amperes? 2) what is the resistance of a circuit that draws 0.02 a with a 300 v power supply? 3)if the resistance of a circuit with 12 a is doubled without changing the voltage, what will be the new current in a? 4)if the resistance of a circuit with 12 a is halved without changing the voltage, what will be the new current in a?
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How many criteria determine if a naturally occurring object is "magnetic"?
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HYSICS What mass of lead has the volume as 1 600 kg of alcohol? the values of densities given in table2.7)
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Leilani Hendricks4/4/23Test Name: T-Science-Gr5-T5-PBT (2022-2023)Test ID: 27108251. Sophia rides her bike to and from school. Sophia's bike has a special tape that reflects energy fromthe sun to make it easier for cars to see her. She also uses a bell to let other bikers know if she is goingto move pass them. Which of the following form of energy does Sophia not use when biking?A. mechanical energyB. sound energyC. light energyD. electrical energy
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what is the highest temperature allowed for cold holding fresh salsa?
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Based on the data table, find the acceleration and then predict the velocity at the time 3. 5 seconds. A)The acceleration is 5 m/s/s and the velocity at a time of 3. 5 seconds will be35 m/s. B)The acceleration is 10 m/s/s and the velocity at a time of 3. 5 seconds willbe 35 m/s. The acceleration is 10 m/s/s and the velocity at a time of 3. 5 seconds willbe 70 m/sThe acceleration is 5 m/5/5 and the velocity at a time of 3. 5 seconds will be17. 5 m/s
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3. A slinky has a spring constant of 160 N/m. How much work is done on the slinkyto stretch it 0. 50 meters horizontally across a table?
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Activity 3: musical instruments of mindanao ((moro/islamic musie))write the different musical solo instruments and musical ensembles in mindanao instrumental music. bamboo ensemblekulintang ensemblemembranophones:1. 2. 1. 2. 3. metallophones:1. 2. 3. 4. 5. string/chordophones1. solo instrumentsaerophones1.
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What is the total amount of power delivered to the heater when the heater is connected for 240-volt operation when each heater is 300 watts?
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Read the following passage and find the two errors. Then, choose the answer that corrects the errors. pH is a measure of the concentration of OH ions in a solution of an acid or base. The pH scale plots the concentration of solutions in a range from 016. (2 points) Group of answer choices pH is a measure of the concentration of OH ions in a solution of water. The pH scale plots the concentration of solutions in a range from 012. pH is a measure of the concentration of H+ ions in a solution of an acid or base. The basic scale plots the concentration of solutions in a range from 016. pH is a measure of the concentration of OH ions in a solution of an acid or base. The acid scale plots the concentration of solutions in a range from 016. pH is a measure of the concentration of H+ ions in a solution of an acid or base. The pH plots the concentration of solutions in a range from 014.
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_______, ________, and ________ are renewable resources.biomass energy, hydropower, and coal energyhydropower, coal energy, and wind energybiomass energy, hydropower, and wind energybiomass energy, coal energy, and wind energyhelp its an exam if any links I WILL REPORT
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