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Physics calculators

Details: The well-known American author, Bill Bryson, once said: “Physics is really nothing more than a search for ultimate simplicity, but so far all we have is a kind of elegant messiness.”

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Acceleration Calculator Definition Formula

Details: Acceleration is the rate of change of an objects speed; in other words, it's how fast velocity changes. According to Newton's second law, acceleration is directly proportional to the summation of all forces that act on an object and inversely proportional to its mass.It's all common sense - if several different forces are pushing an object, you need to work out what they add …

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Potential Energy Calculator

Details: Potential Energy Calculator. This potential energy calculator enables you to calculate the stored energy of an elevated object. The full name of this effect is gravitational potential energy because it relates to the energy which is stored by an object as a result of its vertical position or height.

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Free Fall Calculator

Details: From the definition of velocity, we can find the velocity of a falling object is:. v = v₀ + gt. where: v₀ is the initial velocity (measured in m/s or ft/s);; t stands for the fall time (measured in seconds); and; g is the free fall acceleration (expressed in m/s² or ft/s²).; Without the effect of air resistance, each object in free fall would keep accelerating by 9.80665 m/s

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p-value Calculator Formula Interpretation

Details: Welcome to our p-value calculator! You will never again have to wonder how to find the p-value, as here you can determine the one-sided and two-sided p-values from test statistics, following all the most popular distributions: normal, t-Student, chi-squared, and Snedecor's F.. P-values appear all over science, yet many people find the concept a bit …

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Test Grade Calculator for Teachers (and Students). …

Details: If you're looking for a tool which can help you in setting a grading scale, this test grade calculator is a must. Also known as test score calculator or teacher grader, this tool quickly finds out the grade and percentage on the basis of the number of points and wrong (or correct) answers.Moreover, you can change the default grading scale and set your own one.

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Circumference Calculator

Details: Substitute this value to the formula for circumference: C = 2 * π * R = 2 * π * 14 = 87.9646 cm. You can also use it to find the area of a circle: A = π * R² = π * 14² = 615.752 cm². Finally, you can find the diameter - it is simply double the radius: D = 2 * R = 2 * 14 = 28 cm. Use our circumference calculator to find the radius when

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Percentage Increase Calculator

Details: Subtract the original value from the new value, then divide the result by the original value. Multiply the result by 100. The answer is the percent increase. Check your answer using the percentage increase calculator. Working out the problem by hand we get: [ (1,445 - 1,250)/1,250] * 100. (195/1,250) * 100.

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Punnett Square Calculator

Details: The Punnett square calculator provides you with an answer to that and many other questions. It comes as handy if you want to calculate the genotypic ratio, the phenotypic ratio, or if you're looking for a simple, ready-to-go, dominant and recessive traits chart. Moreover, our Punnet square maker allows you to calculate the probability that a

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Velocity Calculator Definition Formula

Details: Velocity is present in many aspects of physics, and we have created many calculators about it! The first velocity is the so-called terminal velocity, which is the highest velocity attainable by a free falling object. Terminal velocity occurs in fluids (e.g., air or water) and depends on the fluid's density.

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Average Calculator

Details: The average of a set of numbers is simply the sum of the numbers divided by the total number of values in the set. For example, suppose we want the average of 24,55, 17, 87 and 100.Simply find the sum of the numbers: 24 + 55 + 17 + 87 + 100 = 283 and divide by 5to get 56.6.A simple problem such as this one can be done by hand without too much trouble, but, …

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Speed Calculator

Details: Speed and velocity might seem to be the same thing, but they're not. Speed is a scalar quantity - it is defined by magnitude only. In simple terms, it tells you how fast an object is moving. On the other hand, velocity is a vector - it is defined not only by magnitude but also by direction. It tells you the rate at which an object changes its position.

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Wet Bulb Calculator

Details: The wet-bulb temperature might not be a widely known measure, but it has some valuable functions: Construction - different materials react differently to different humidities, so this temperature is needed when designing a building in different climates.. Snowmaking - snow production needs low temperatures and when the humidity decreases the temperature rises.

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Kinetic Energy Calculator

Details: The expression of the dynamic pressure (caused by fluid flowing) is the following:. p = ρ * v² / 2.. It looks very similar to the kinetic energy equation because mass is replaced by the density, and it isn't a coincidence.The other name for dynamic pressure is kinetic energy per unit volume, and analogically, density is defined as the mass contained in a particular volume.

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t-test Calculator Formula p-value

Details: Recall, that in the critical values approach to hypothesis testing, you need to set a significance level, α, before computing the critical values, which in turn give rise to critical regions (a.k.a. rejection regions). Formulas for critical values employ the quantile function of t-distribution, i.e., the inverse of the cdf:. Critical value for left-tailed t-test:

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Percentage Difference Calculator

Details: The percentage difference calculator is here to help you compare two numbers. Here we will show you how to calculate the percentage difference between two numbers and, hopefully, to properly explain what the percentage difference is as well as some common mistakes. In the following article, we will also show you the percentage difference formula.

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Coulomb's Law Calculator

Details: Coulomb's law is formulated as follows: k e is the Coulomb's constant. It is equal to 8.98755 × 10⁹ N·m²/C². This value is already embedded in the calculator - you don't have to remember it :) Simply input any three values into our electric force …

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Snell's Law Calculator

Details: Snell's law describes how exactly refraction works. When a light ray enters a different medium, its speed and the wavelength change. The ray bends either towards the normal of two media boundary (when its speed decreases) or away from it (when its speed increases).

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Grams to Cups Calculator.

Details: The grams to cups calculator will help you in your daily life. Here we present the conversion for the most popular kitchen ingredients. If you ever wondered how many grams are in a cup or how to convert 100 grams to cups, you are in the right place.

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Trigonometry Calculator. Simple way to find sin, cos, tan, cot

Details: Trigonometry is a branch of mathematics. The word itself comes from the Greek trigōnon (which means "triangle") and metron ("measure"). As the name suggests, trigonometry deals mostly with angles and triangles; in particular, it's defining and using the relationships and ratios between angles and sides in triangles.The primary application is thus solving triangles, …

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Data Transfer Calculator

Details: The perfect snowman calculator uses math & science rules to help you design the snowman of your dreams! Snowman Calculator. Speaker box. This speaker box calculator will help you find the board measurements for your do-it-yourself speaker box and your speaker box's internal volume. Also, you can determine your speaker driver's approximate

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Dipole Calculator Antenna Length Calculator

Details: Our dipole calculator is a simple tool that allows you to compute the length of a simple antenna - it'll also provide you with the value of the wavelength and the adjustment factor [k].. In the text below, we will cover the basic rules of antenna construction, how to calculate dipole antenna length, and explain how to put our wire antenna calculator to work.

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Distance Calculator & Formula

Details: Coming back to the Euclidean space, we can now present you with the distance formula that we promised at the beginning. The distance formula is. √ [ (x₂ - x₁)² + (y₂ - y₁)²], which relates to the Pythagorean theorem: a² + b² = c². Here, a and b are legs of a right triangle and c is the hypotenuse.

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PF Ratio Calculator

Details: This PF ratio calculator (also a PaO2 FiO2 ratio calculator) is designed to determine a patient's respiratory efficiency. Its primary purpose is as a clinical indicator of hypoxemia (an abnormally low level of oxygen in the blood). A low PF ratio may be present if a person is suffering from severe health problems, including, but not limited to, Multiple Organ …

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Steps to Calories Calculator

Details: A lot of experts recommend 10,000 steps per day - let's find out how our steps to calories calculator works using this example! First, we need to enter a height and weight. Let's assume that our exemplary person weighs 70 kg (154 lb), and is 183 cm (6 ft) tall (don't worry - you can easily switch between SI and imperial units using our tool!);

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Boyle's Law Calculator

Details: Boyle's law describes all processes for which temperature remains constant. In thermodynamics, temperature is a measure of the average kinetic energy that atoms or molecules have. In other words, we can say that the average velocity of gas particles doesn't change during that transition. Boyle's law formula is valid for a wide range of temperatures.

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Commission Calculator

Details: This is a very basic calculation revolving around percents.Just take sale price, multiply it by the commission percentage, divide it by 100. An example calculation: a blue widget is sold for $70.The sales person works on a commission - he/she gets 14% out of every transaction, which amounts to $9.80.. So the formula is: commission_amount = sale price * …

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Z-test Calculator Definition Examples

Details: This Z-test calculator is a tool that helps you perform a one-sample Z-test on the population's mean. Two forms of this test - a two-tailed Z-test and a one-tailed Z-tests - exist, and can be used depending on your needs. You can also choose whether the calculator should determine the p-value from Z-test, or you'd rather use the critical value

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Dice Probability Calculator

Details: The dice probability calculator is a great tool if you want to estimate the dice roll probability over numerous variants. There are may different polyhedral die included, so you can explore the probability of a 20 sided die as well as that of a regular cubic die.

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Log Base 2 Calculator

Details: Binary logarithm. Welcome to Omni's log base 2 calculator. Your favorite tool to calculate the value of log₂ (x) for arbitrary (positive) x. The operation is a special case of the logarithm, i.e. when the log's base is equal to 2. As such, we …

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Wavelength Calculator

Details: There are three main properties of a wave: its velocity, wavelength, and frequency. Wave velocity (v) is how fast a wave propagates in a given medium. Its unit is meter per second. Check the speed calculator for more information about speed and velocity.. Wavelength (λ) is the distance over which the shape of a wave repeats. It depends on the …

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Significant Figures Calculator

Details: How to use the sig fig calculator. Our significant figures calculator works in two modes - it performs arithmetic operations on multiple numbers (for example, 4.18 / 2.33) or simply rounds a number to your desired number of sig figs. Following the rules noted above, we can calculate sig figs by hand or by using the significant figures counter.

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Elevation Grade Calculator

Details: Elevation grade (or slope) is the steepness, or degree of inclination, of a certain area of land.It can simply be the steepness between two specific points in a given area, the average of an area's gradual change in steepness, or an erratic variation in the elevation of the ground. We usually measure the ground's elevation as its altitude above sea level.

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Area of a Trapezoid Calculator

Details: A trapezoid is a 4-sided geometrical shape with two sides parallel to each other. These two sides (a and b in the image above) are called the bases of the trapezoid.The other two sides (c and d) are called legs.h is the height of the trapezoid.. All internal angles of a trapezoid sum to give 360°.

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Fence Calculator

Details: If you want to know how we calculate the amount of fencing materials you need, here is a list of the equations we used: Number of posts = (fence length / post spacing) + 1 (round the result up) Number of sections = number of posts - 1. Post length = fence height * 1.5. Total number of rails = number of rails per section * number of sections.

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Projectile Motion Calculator

Details: Our projectile motion calculator is a tool that helps you analyze the parabolic projectile motion. It can find the time of flight, but also the components of velocity, the range of the projectile, and the maximum height of flight.Continue reading if you want to understand what is projectile motion, get familiar with the projectile motion definition, and determine the …

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Charles' Law Calculator

Details: Charles' law (sometimes referred to the law of volumes) describes the relationship between the volume of a gas and its temperature when the pressure and the mass of the gas is constant.It states that the volume is proportional to the absolute temperature.. There are a few other ways we can write the Charles' law definition, one of which is: the ratio of the volume …

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Hexagon Calculator 6

Details: Welcome to the hexagon calculator, a handy tool when dealing with any regular hexagon. The hexagon shape is one of the most popular shapes in nature, from honeycomb patterns to hexagon tiles for mirrors - its uses are almost endless.Here we explain not only why the 6-sided polygon is so popular but also how to draw hexagon sides correctly.

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Water Viscosity Calculator

Details: Water, being the most studied liquid, is the best fluid to start with when learning about viscosity. The dynamic viscosity of water at room temperature has a value of around 1.0 mPa⋅s, and it decreases as temperature increases.This value is the viscosity of water at 20°C.

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Antilog Calculator (Antilogarithm)

Details: The ratio of logarithms is used in logarithmic scale - a nonlinear scale used to compare large range of values. It is widely used in many fields of science: Acoustics (check decibel calculator for sound pressure and sound intensity levels) Chemistry (for instance pH scale; test our arterial and venous blood pH calculators)

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Pipe Flow Calculator Hazen–Williams Equation

Details: The Hazen-Williams equation is an empirically derived formula that describes the velocity of water in a gravity flow. Remember that the Hazen-Williams equation is valid only for water – applying it for any other fluid will give you inaccurate results. It also doesn't take into account the temperature of the water, and is only accurate for the 40-75 °F (4-25 °C) range.

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Gradient Calculator of a Line Through Two Points

Details: An informal definition of the gradient (also known as the slope) is as follows: it is a mathematical way of measuring how fast a line rises or falls.Think of it as a number you assign to a hill, a road, a path, etc., that tells you how much effort you have to put to cycle it. If you're going uphill, you must struggle to reach the peak, so the energy needed (i.e., the gradient) is large.

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Volume of a Cylinder Calculator

Details: Divide the volume by the radius squared and pi to get the height in the same units as the radius. Make sure the surface and radius are in the same units and radius in is radians. Subtract 2πr² from the surface area. Divide the result of …

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Reference Angle Calculator Graph Quadrants

Details: Our reference angle calculator is a handy tool for recalculating angles into their acute version.All you have to do is simply input any positive angle into the field, and this calculator will find the reference angle for you. This article explains what a reference angle is, providing a reference angle definition.

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