ball) look identical from the outside and have the same mass. When both are simultaneously released from the same height on an incline, which sphere will reach the bottom first? A) the hollow sphere. B) the solid sphere C) the atmos-sphere
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.
A uniform solid sphere (like a bowling ball) and a hollow spherical shell (like a
basketball) look identical from the outside and have the same mass. When
both are simultaneously released from the same height on an incline, which
sphere will reach the bottom first?
A) the hollow sphere.
B) the solid sphere
C) the atmos-sphere
D) Neither. They are both spheres, so they reach the bottom at the same time.
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