The first television play. in the world. 'The Man With A Flower In His Mouth', by Pirandello. Produced by Lance Sieveking in July 1930. The purpose of the BBC Tuning Signal was to give the television set time to warm up, and for the viewer to adjust all of the controls in order to get a reasonable picture. The first televised Test match from The Oval in 1938. England v. Australia.
The equation of Angular velocity is: $\omega$ = $\frac{\theta}{t}$ radians/sec. 4. The linear velocity could be constant since the object could be travelling with constant speed without changing its direction. The angular velocity could not be constant since the body is constantly changing its direction.
Option 1. The first comes straight from the definition. Angular velocity is the rate of change of the position angle of an object with respect to time, so w = theta / t, where w = angular velocity, theta = position angle, and t = time. This is shown in the image below.ption 2. To get our second formula for angular velocity, we recognize that theta is given in radians, and the definition of radian measure gives theta = s / r. Thus, we can plug theta = s / r into our first angular velocity formula. This gives w = (s / r) / t.