Moreover, this is a cause of other phenomena like relativistic velocity addition, time dilation, and length contraction. When an object is thrown upward, it moves in the opposite direction of the force of gravity. The most common example of this is the speed a spacecraft requires to leave Earth for distant planets, which is approximately 11.2 km/s. If you're interested in the world of massive celestial objects like suns or planets, visit our escape velocity calculator or orbital velocity calculator. You can check it with the relativistic kinetic energy calculator by filling the velocity field with the speed of light 299,792,458 m/s or 2.998e8 m/s in scientific notation. What will be your velocity after 4 seconds? Solution: In the metric SI system the units are meters per second m/s and kilometers per hour km/h. Velocity is the speed and direction with which an object is moving, while acceleration is how the speed of that object changes with time. The average velocity formula and velocity units. We've written about it from the point of view of a physicist in the text below. Well, that depends if you are talking about the European or African variety. It may be surprising, but there are many more of them connected with velocity that we didn't mention, have an explore! Terminal velocity occurs in fluids (e.g., air or water) and depends on the fluid's density. An object moves with an initial velocity of 6 m/s at 20 seconds with acceleration gravity of 9.8. Set initial velocity to zero, you're not moving at the beginning of the race. Provided an object traveled 500 meters in 3 minutes, to calculate the average velocity you should take the following steps: Let's try another example. We've also prepared a brief but informative article about velocity itself. For example, if you drive a car for a distance of 70 miles in one hour, your average velocity equals 70 mph. You can read more about it in our free fall with air resistance calculator. Also the Albert Einstein's famous E = mc2 formula bases on the relativistic velocity concept. If you have ever wondered how to find velocity, here you can do it in three different ways. For more information, see the help screen. Our tool will do it all for you! I hope we've convinced you that velocity plays an essential role in everyday life and not just science, and we hope that you've enjoyed our velocity calculator. Use this online final velocity calculator to calculate the upward velocity of any object from the given values. This velocity calculator is a comprehensive tool that enables you to estimate the speed of an object. Use this online final velocity calculator to calculate the upward velocity of any object from the given values. If you want to put this rule down in the form of a mathematical formula, the velocity equation will be as follows: Keep in mind that this velocity formula only works when an object has a constant speed in a constant direction or if you want to find average velocity over a certain distance (as opposed to the instantaneous velocity). The relationship between distance and time is also needed when estimating the fuel use of your car. Velocity is present in many aspects of physics, and we have created many calculators about it! Velocity after a certain time of acceleration: Change minutes into seconds (so that the final result would be in meters per second). Distance = (6 x 20) + (9.8 x 202)/2) One of the advantages of using this calculator is that you don't have to convert any units by hand. Before we explain how to calculate velocity, we'd like to note that there is a slight difference between velocity and speed. This is a tool you can use to estimate the distance from one wave peak to another when you already know the frequency and the wave velocity or speed. To learn more about it, head to the speed vs velocity section. Electron volt is an energy unit,1 eV = $1.602\times 10^{-19}$ J. It can be used in the context of the kinetic energy of a particle, the potential energy of a system, the mass-energy of a system or particle and so on. Escape velocity is the minimum speed an object needs to escape another objects gravitational pull. How would you like to calculate velocity? You have probably noticed that we use words speed and velocity interchangeably, but you can't do it every time. The result is the escape velocity. Aside from the linear velocity, to which we devoted this calculator, there are also other types of velocity, such as rotational or angular velocity with corresponding physical quantities: rotational kinetic energy, angular acceleration or mass moment of inertia. The calculator can use any two of the values to calculate the third. The first velocity is the so-called terminal velocity, which is the highest velocity attainable by a free falling object. Step 1: Identify the Equation of Interest You may recall that in everyday physics, the kinetic energy of an object in motion is equal to (0.5)mv 2 , where m equals mass and v equals velocity. Feel free to explore our other calculators. It's time to use the average velocity formula in practice. Multiply the acceleration by time to obtain the velocity change: Since the initial velocity was zero, the final velocity is equal to the change of speed. Constants used in calculations: Mass of an electron = 9.1091 X 10-31 kg Speed of light = 299,790,000 meters/second Charge of an electron = 1.602 X 10-19 coulombs Planck's Constant = 6.6256 X 10-34 m 2 kg/sec. The second method calculates what is velocity change caused by acceleration over a specific time interval. You want to participate in a race with your brand new car that can change its speed with an acceleration of about 6.95 m/s².