Son Goku whirled Gohan during their training. Gohan’s height is 1.76 m while Son Goku’s armlength is 2.00 m. During whirling, their hands are in contact with the arms of each other and Son Goku rotates Gohan at 650 rpm. (a) What is the linear speed of Gohan’s toe tip in m/s? (b) What is the radial acceleration of the toe tip expressed as a multiple of the acceleration due to gravity, g?
Angular speed, acceleration and displacement
Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.
Angular Position
Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.
Son Goku whirled Gohan during their training. Gohan’s height is 1.76 m while Son Goku’s armlength is 2.00 m. During whirling, their hands are in contact with the arms of each other and Son Goku rotates Gohan at 650 rpm. (a) What is the linear speed of Gohan’s toe tip in m/s? (b) What is the radial acceleration of the toe tip expressed as a multiple of the acceleration due to gravity, g?
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