Physics: Formulas and Principles

Physics

• The resultant force on a dam with water of height h and width w is 0.5 * density * g * w * h^2.
• If you define a function FNA(X) = X**2 + 1/X, then FNA(3) evaluates to 3^2 + 1/3 = 9 + 0.33 = 9.33.
• Bernoulli's principle states that where fluid velocity is high, pressure is low, and vice versa.
• The term "hot hardness" is also known as "red hardness".
• Streamlines are a mathematical concept and cannot be crossed by the flow.
• Gas turbines operate on the Brayton cycle.
• Plastic flow in a crystal at stresses lower than critical shear stress is called creep.
• The minimum safety requirement in the Philippines for distribution and grid is governed by the Philippine Electrical Safety Code.
• Volumetric strain is the ratio of the change in volume to the original volume.
• A device intended for personnel protection that de-energizes a circuit when ground current exceeds a set value is a Ground-Fault Circuit Interrupter (GFCI).
• The maximum bending moment of a simply supported beam with uniformly distributed load W and length L is WL/8.
• Approximately 2% of the human body by volume will not be submerged when a person floats in fresh water.
• The equipment grounding conductor of a branch circuit must be identified by green color.
• In bathtubs and showers, cord-connected fixtures must be a certain distance from the rim or threshold, measured both vertically and horizontally.
• When the weight is 15,000 N and the bigger piston area is 0.9 sq. m., it will create a force of 200 N in a smaller piston area.
• Damp locations are partially protected locations that are moderately subjected to moisture.
• Poisson's Ratio is the ratio of unit lateral deformation to the unit longitudinal deformation.
• The most common approach is shearing stress, also known as structural elements to torsion develop.
• A Ferrari sports car can accelerate from 0 to 96 km/h in 2.2 s and has an average acceleration of 12.12 m/s².
• From a building dropping a package, another package drop one seconder after produces a distance of 9.8 m distance between.
• The leaning tower of Pisa is 54.5m tall producing a fall of 3.33 s if an object dropped from top.
• Given a potential difference of 1.75 V between plates of a 40 µF capacitor, it has a charge of 70 μC.
• The corresponding rate of simple interest for an 18% discount rate: 21.95%
• Pluto travels between perihelion to aphelion produces a zero work value caused by gravity.
• In a jet liner braking, time required coming to a stop is 19.2 seconds.
• Branch circuit conductors powering a single motor must have ampacity of at least 125% of the motor's full-load current.
• A lamp placed 60 cm from a lens forms an image has a focal length of the lens is 20 cm.
• An object can be dropped from 12 m with horizontal distance of 25cm given a speeding truck.
• Applying trigonometry on a right triange, the function value can be solved by ratio of sides.
• Calculate the rate in a thick hardwood board. Heat Transfer is 8333.
• The minimum force exerted equals to mg cot theta given keeping a packing box on force.
• The string had a breaking force released with maximum velocity to have gravity is g = 9.8 m/s.
• The force will begin large forces to the point of sliding. This sliding occurs with the lower block at 54.88 N.
• An enduro motorcycle race has its max speed with not becoming airborne: 19.8 m/s
• If an object that has centripetal force is 6370 km with standing at the equator reads 0.997mg mg.
• Use work formula and calculate the work applied given the conditions to solve for the resulting number work result.
• The given engineering spring constant can be used to resolve if an engineer were to design a ramp way barrier.
• The given velocity and change in elevation can occur with help of a calculator to solve the equation.
• A sandbag is dropped from 124 m high with horizontal acceleration of 1.10 m/s². The time it would take is 5 seconds.
• Use an artillery shells to reach half the distance and angle to obtain the answer.
• Use Kinematics, determine speed/Velocity, given velocity with height determine result.
• A volume of air at 450 cm³ is measured at 740 mmHg absolute and 20°C. Its volume at 760 mmHg and 0°C calculates as 408.25cm³
• Radius earth near 6370km. A person's weight at the surface compared to 2 radii out is related by inverse square.
• A disc's angular velocity will determine the radial with 12.0rad/s and 10 s to use the angular of velocity formula.
• Applying a vertical force from the given area causes the object to stay equilibrium
• The minimum torque formula applied has relations within levers and the length of the torque.
• A sphere with given mass, velocity and rolls calculate the elevation and solve.
• Calculate the force with center forces on the vertical object due to the weight.
• With the help of light, you resolve the lenses with a specific measurement and calculations can be formulated.
• Estimate Washington dc and Francisco dc to determine the solar power with help of minutes solving the distance.
• A siren travelling and being sounded helps determine doppler and wave function formula calculations.
• Given the measurements, derive the total power in accordance with solving for the temperature.
• With the given length can be resolved in the situation above to solve and calculate with the solved data given the heat required.
• Thermal expansion and building beams and the importance of temperature.
• Determine the heat efficiency with a higher temp or lower temperature.
• Applying a heat source requires some calculations in with the solving process and calculation using thermodynamics laws.
• If Light travels into Diamonds and can get solved with index of refraction =2.42.
• The given cube of plastic with index can be found with trig and calculations using the cube dimensions.
• Given a small mirror and the position it must be at angle in order for a customer to see.
• Position an object and find the height given measurements with meters is .53mm.
• Using the given keratone, find the radius when fitting contact lenses.
• Using the formula of lense equation can measure what magnification will be the result.
• Given the location and the lenses find the overall magnification and determine how.
• The length's a telescope's can be used to see the distant object.
• When light shines with the lenses to give specific resolution for where the image moves at.
• An object has a mass value that is zero neutrons.

Chemistry

• Substances are classified as elements or compounds.
• A mixture of soil and water is a suspension.
• A fine particle of soil in water forms a cloudy colloid mixture.
• Malleability is the property of metals that allows them to be rolled.
• Acids taste sour.
• The common unit for particle mass is the atomic mass unit (amu).
• Quarks are smaller particles which make up protons and neutrons.
• In an atom, number of protons equates.
• The mass number is the density number of an atom.
• Electron affinity measure the tendency of an atom's attraction.
• Malleability is a property of metals that allows them to be drawn.
• A covalent bond is formed by electrons being shared.
• The ability to attract shared electrons is a measure of electronegativity.
• Molar mass measure the mass by one mole.
• The composition air is by roughly 78.9 percent nitrozen.
• Effusion the passage of gases between one container.
• In a single hydrogen bond, negative or positive charges exist.
• A gas formation that turns into a solid involves solidification.
• A metallic element has to vaporized.
• The temperature remains constant.
• Critical temperature maintains what above a gas.
• There are three known states exist.
• Uncertainty principle states one cannot know the energy is moving.
• Aufbau principle states that orbital is higher in potential energy.
• Excluded states the same four quantum numbers.

Engineering

• PRC Modernization Law is otherwise known as RA 8981.
• For a project manager, CPM (Critical Path Method) is a network technique for identifying and communicating planned activities.
• Class A fires involve burning combustible carbon-based solids like paper, wood, or textiles.
• The Board of EE should not be an official or faculty member of an institution conferring a bachelor's degree in electrical engineering for at least three years prior to appointment.
• Is act of phishing and emails design to collect with credit card and bank information.
• During heatsink installation, the thermal heat must be installed by processor.
• Random memory and virtual disk function as RAM. It is the manager's role to set goals. It requires insulation resistance Underwriters Laboratories requirements
• Is most essential a large part to protect Overflow design specifications
• Open system flows a process to involved mass. Condenser, turbines
• Which is not one of functions No design is need to run safely.
• A process involved one steady point. Steady Point Mass No Time.
• Translational internal work that is done Kinetic energy Translational Internal Energy. Triple point
• Water is three step Triple points
• Water Quality can be determined by all other processes not the "zeorth".
• Use engineering formulas to to help build and determine the length between angles.
• Cantilever has both beams simple needs with some point in support
• The four basic elements.

Computer Science

• Thrashing is a deadlock situation where a program references different pages for almost every instruction, exceeding real memory capacity.
• Macros are used to automatically complete a series of Excel steps.
• Virtual memory the hard space served as RAM.
• The Central Processing Unit (CPU) of a computer combines arithmetic logic and control units.
• A malware the cause from hackers that need some data points.

Finance/Business

• An annuity is a series of uniform amounts over a period of time.
• When comparing projects using net present worth, differences in the magnitudes of the projects could invalidate the calculation.
• Paying credit card debt requires some formulas to solve the amount and determine how interest accrues.
• Investing $2000 in one interest has a greater desired path.
• An economy experiencing inflation at 6% per year causes an item costing P1000 to be P1,338.23 in five years.
• Mandarin Bank advertises 9.5% account that yields 9.84% annually compounded quarterly.