Tuesday, July 27, 2010

velocity formula

Consider a body moving with different velocities throughout its journey. The magnitude of its velocity changes with time. To find the velocity of the body on the whole of the journey of the body, we use the average velocity concept. Average velocity is defined as the ratio of total displacement to total time.

If 's' is total the displacement of the body and 't' is the total time taken by the body to complete the displacement, we have Vav = s/t

Introduction to angular velocity formula: To explain the angular velocity formula fist we need to explain the uniform circular motion and angular displacement. If a particle moves along a circular path with a constant speed that means it covers equal distances along the circumference of the circle in equal interval of time, then its motion is said to be uniform circular motion. For example, motion of the tip of a minute hand of a clock. Uniform circular motion is accelerated motion because the speed remains constant throughout the motion but the direction of motion changes at every instant.

Introduction to terminal velocity formula: The air, water or other fluid is exert the force at constant speed to object moving in fluid dynamics. The net force is zero when upward force is equal to gravity force that is acceleration of object is zero. The rerminal velocity is based on drag weight so if it is reduced, the terminal velocity also decrease.

Velocity: Velocity is the measure taken between the distance and the time. It is described as the rate of change of displacement with time. The speed and velocity are same except that the velocity has a direction. For a body which has straight line motion, the velocity and speed are same.

Let us see how to calculate velocity.

How do you Calculate Velocity Formulas:

Velocity = Distance traveled/ Time taken

Or

Velocity= Displacement / Time taken

Unit of velocity: It depends on the units of time and displacement.

SI unit of velocity: The SI unit of velocity is meter per second because the SI unit of displacement is meter and the SI unit of time is second.

In our next blog we shall learn about nucleus function

I hope the above explanation was useful.Keep reading and leave your comments.



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