Velocity example, a car moving at a constant 20 kilometres per hour in a circular path has a constant speed, but does not have a constant velocity because its direction changes. Hence, the car is considered to be undergoing an acceleration. Speed describes only how fast an object is moving, whereas velocity gives both how fast it is and in which direction the object is moving. If a car is said to travel at 60 km/h, its speed has been specified. However, if the car is said to move at 60 km/h to the north, its velocity has now been specified.
My Baby Must Be a Magician My Baby Must Be a Magician "My Baby Must Be a Magician" is the title of a 1967 single release by the Marvelettes which was written and produced by Smokey Robinson. Original Marvelette Wanda Rogers was the lead vocalist on the track; the background vocals were provided by the Andantes rather than official Marvelettes Ann Bogan and Katherine Anderson. Melvin Franklin of The Temptations is the male voice speaking the song's intro and the track features guitar licks from Miracles guitarist Marv Tarplin. The narrator of the song likens her lover to a magician admitting his lack of the expected