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The term speed is generally referred to the average speed of a journey and is defined as the ratio of distance covered to unit time.
When talking about speed, you have to remember the following main points:
- When the distance covered is constant, speed is inversely proportional to the time taken.
Example: Assume the distance between your house and college is 60 Km. If you travel at a speed of 60Kmph, you will reach the college in 1 hour, and if you travel at a speed of 15kmph, you will reach the college in 4 hours.
- When the time has taken is constant, distance is directly proportional to the speed.
Example: If you travel for one hour at a speed of 40 kmph, you will cover 40km, and if you travel at 60 kmph for the same one hour, you will cover 60 km.
- When speed is constant, distance covered is directly proportional to the time taken.
Example: When you are traveling at a speed of 60 kmph, if you travel for an hour, you will cover 60 km, and if you travel for 2 hours, you will cover 120 km.
Difference between Average Speed and Average Velocity
Many people get confused between the speed and velocity. These two terms have been mostly similar except in one parameter, i.e., direction.
Speed is nothing but how fast an object is moving. It is a scalar quantity. Only its magnitude can define speed, but not in direction. Whatever may be the direction, only the magnitude is noted.
Velocity is a vector quantity. It is defined by both magnitude and direction. Generally, velocity defines the rate at which the object changes its position.
Average speed is generally measured in units of distance per time.
Kilometers per hour (kmph), miles per hour (mph), meters per second (m/s) and feet per second (ft/s) are some of the basic units.
Note: The default unit in our speed calculator is kmph, but you can change it to any of the common units.
Average speed = Total distance/Time
Sometimes, the direction is more important than speed.
Some Interesting facts about Speed:
- Galileo was the first scientist to measure speed as the ratio of distance and time.
- In the United States, speed is generally measured in miles per hour or mph.
- The speed of an object at a given moment is called as Instantaneous Speed.
- A speedometer is used to measure the instantaneous speed. 186,282 miles per second is another calculation for the speed of light.
- In dry air, the speed of sound is 343.2 m/s.
- The speed needed to escape from Earth's gravitational pull is called as the Escape Velocity of Earth. The escape velocity of the Earth is 25,000 miles per hour.
- The fastest possible speed in the whole universe is the speed of light. The speed of light is 299,792,458 m/s. This number is represented by the letter "c" in physics.
How to use CalculatorHut’s Speed Calculator?
Our speed calculator is simple to use. All you need is to enter the distance and time and click Calculate. You will get the accurate speed of a vehicle with the help of this speed calculator. It’s so simple, isn’t it?
Our speed calculator serves any calculations related to speed. If you have a website where you talk about automobiles or your experiences on long drives, or if you are a student or lover of Physics or a bike and vehicle enthusiast, who want to host the speed calculator or any other vehicle calculator’s widget on your, let us know your preferred customizations at firstname.lastname@example.org. We would design an attractive and colorful widget as per your taste for FREE!!
“There is more to life than simply increasing its speed.”
― Mahatma Gandhi