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Radian Hour Converter

Convert Radian Hour to Radian Second and more • 12 conversions

Result

0

1 0
Conversion Formula
1 = ---
Quick Reference
1 = 1
10 = 10
50 = 50
100 = 100
500 = 500
1000 = 1000

Unit Explanations

Radian Hourrad·h

Source Unit

A radian hour is a unit used to express angular velocity, defined as the angle in radians that an object travels in one hour. It is derived from the concept of angular displacement where one complete revolution is equivalent to 2π radians. Thus, in terms of angular velocity, 1 radian hour signifies that an object rotates through an angle of 1 radian in the span of one hour. This unit is particularly useful in the fields of rotational dynamics and in systems where time-based angular measurement is critical.

ω = θ / t

Current Use

Today, radian hours are used primarily in fields that require the analysis of rotational motion and angular dynamics. This includes engineering disciplines, robotics, and simulations where angular velocity needs to be monitored over time. The unit is also significant in scenarios involving circular motion and periodic functions, contributing to the understanding of wave mechanics and oscillatory systems.

Fun Fact

The concept of radians was first introduced by the ancient Greeks, with Archimedes being a key figure in its formalization.

Radian Secondrad·s

Target Unit

The radian second (rad·s) is a unit of angular velocity that quantifies the rate of rotation in terms of the angle rotated in radians per unit time, specifically seconds. One radian corresponds to the angle subtended at the center of a circle by an arc length equal to the radius of that circle. Thus, when measuring angular displacement, the radian second indicates how much of a full rotation (2π radians) occurs in one second. In mathematical terms, if θ is the angle in radians and t is the time in seconds, then angular velocity ω is represented as ω = θ/t, where ω is in rad·s.

ω = θ/t

Current Use

The radian second is widely used in various fields such as physics, engineering, and robotics to describe the rotational motion of objects. It is essential in analyzing systems involving gears, motors, and celestial mechanics. The unit is integral in the design of control systems, where the control of angular velocity is crucial for performance. In addition, it is commonly used in simulations and modeling of dynamic systems in both academic and industrial settings.

Fun Fact

The concept of a radian is inherently tied to the geometry of a circle, making it a natural fit for circular motion analysis.

Decimals:
Scientific:OFF

Result

0

1
0
Conversion Formula
1 = ...
1→1
10→10
100→100
1000→1000

📐Conversion Formula

= × 1.00000

How to Convert

To convert to , multiply the value by 1.00000. This conversion factor represents the ratio between these two units.

Quick Examples

1
=
1.000
10
=
10.00
100
=
100.0

💡 Pro Tip: For the reverse conversion (), divide by the conversion factor instead of multiplying.

rad·h

Radian Hour

velocityNon-SI

Definition

A radian hour is a unit used to express angular velocity, defined as the angle in radians that an object travels in one hour. It is derived from the concept of angular displacement where one complete revolution is equivalent to 2π radians. Thus, in terms of angular velocity, 1 radian hour signifies that an object rotates through an angle of 1 radian in the span of one hour. This unit is particularly useful in the fields of rotational dynamics and in systems where time-based angular measurement is critical.

History & Origin

The radian hour was conceptualized in the 20th century as a means to quantify angular motion over time, particularly in engineering and physics. It builds upon the foundational work of ancient Greek mathematicians who first defined radians as a natural measure of angles based on the radius of a circle. The formal adoption of radians as a standard unit for measuring angles in the 20th century allowed for the development of this time-based unit.

Etymology: The term 'radian' derives from 'radius', indicating that it represents an angle subtended by an arc equal in length to the radius of a circle. The 'hour' component stems from the division of time into 60 minutes, with an hour being a standard measure of time in many contexts.

1959: The International System of Un...

Current Use

Today, radian hours are used primarily in fields that require the analysis of rotational motion and angular dynamics. This includes engineering disciplines, robotics, and simulations where angular velocity needs to be monitored over time. The unit is also significant in scenarios involving circular motion and periodic functions, contributing to the understanding of wave mechanics and oscillatory systems.

EngineeringRoboticsAerospacePhysics

💡 Fun Facts

  • The concept of radians was first introduced by the ancient Greeks, with Archimedes being a key figure in its formalization.
  • One complete revolution corresponds to 2π radians, which means a radian hour can represent various angular velocities based on the time taken to complete rotations.
  • Radian hours can be particularly useful in astronomical calculations where angular movements of celestial bodies are studied.

📏 Real-World Examples

3 rad·h
A wheel rotates through an angle of 3 radians in one hour.
2 rad·h
A satellite orbits the Earth covering 2 radians in an hour.
1.5 rad·h
A rotating platform spins at a rate of 1.5 radians per hour.
4 rad·h
A turntable rotates through 4 radians in one hour.
3.1415 rad·h
An amusement park ride makes a complete rotation (6.283 radians) in 2 hours.

🔗 Related Units

Degree Hour (A degree hour measures angular velocity in degrees covered in one hour, with 1 radian hour equal to approximately 57.2958 degree hours.)Radian Second (Radian seconds represent angular velocity in radians per second, with conversions applicable between the two when factoring time.)Revolution Hour (One revolution is equivalent to 2π radians, thus 1 revolution hour equals 2π rad·h.)Degree (Degrees can be converted to radians, with 180 degrees equal to π radians, facilitating conversion between angular velocity units.)
rad·s

Radian Second

velocityNon-SI

Definition

The radian second (rad·s) is a unit of angular velocity that quantifies the rate of rotation in terms of the angle rotated in radians per unit time, specifically seconds. One radian corresponds to the angle subtended at the center of a circle by an arc length equal to the radius of that circle. Thus, when measuring angular displacement, the radian second indicates how much of a full rotation (2π radians) occurs in one second. In mathematical terms, if θ is the angle in radians and t is the time in seconds, then angular velocity ω is represented as ω = θ/t, where ω is in rad·s.

History & Origin

The concept of angular measurement has existed since ancient times, but the radian was formally defined in the 18th century by mathematicians such as Leonhard Euler. The radian as a unit became widely accepted for describing angular measurements due to its mathematical convenience, notably in calculus and trigonometry. The use of radian seconds emerged as a natural extension in physics and engineering to quantify angular velocities, particularly in rotational dynamics and wave mechanics.

Etymology: The term 'radian' is derived from the Latin word 'radius,' meaning 'ray' or 'spoke,' reflecting the relationship between the radius of a circle and the arc length it subtends.

1800: Formal introduction of the rad...1960: Inclusion of radian second in ...

Current Use

The radian second is widely used in various fields such as physics, engineering, and robotics to describe the rotational motion of objects. It is essential in analyzing systems involving gears, motors, and celestial mechanics. The unit is integral in the design of control systems, where the control of angular velocity is crucial for performance. In addition, it is commonly used in simulations and modeling of dynamic systems in both academic and industrial settings.

EngineeringRoboticsAerospace

💡 Fun Facts

  • The concept of a radian is inherently tied to the geometry of a circle, making it a natural fit for circular motion analysis.
  • The use of radians simplifies many mathematical equations in calculus, particularly those involving trigonometric functions.
  • The radian second can be used to describe not only rotational motion but also the frequency of oscillations in systems like springs.

📏 Real-World Examples

2 rad/s
A wheel rotating at a constant speed of 2 rad/s.
1 rad/s
A pendulum swinging with an angular velocity of 1 rad/s.
0.001 rad/s
A satellite orbiting the Earth at an angular rate of 0.001 rad/s.
5 rad/s
A motor with a specification of 5 rad/s for its maximum speed.
0.5 rad/s²
A rotating disc accelerating at 0.5 rad/s².

🔗 Related Units

Degree per Second (1 rad·s is approximately 57.296 degrees per second.)Revolution per Minute (RPM) (1 rad·s is equivalent to approximately 9.5493 RPM.)Radian (The radian is the angular measure that is used in the radian second unit.)Angular Acceleration (Measured in rad/s², it describes how angular velocity changes over time.)

Frequently Asked Questions

How do I convert to ?

To convert to , multiply your value by 1. For example, 10 equals 10 .

What is the formula for to conversion?

The formula is: = × 1. This conversion factor is based on international standards.

Is this to converter accurate?

Yes! MetricConv uses internationally standardized conversion factors from organizations like NIST and ISO. Our calculations support up to 15 decimal places of precision, making it suitable for scientific, engineering, and everyday calculations.

Can I convert back to ?

Absolutely! You can use the swap button (⇄) in the converter above to reverse the conversion direction, or visit our to converter.

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