Part A) A newly discovered planet has a mean radius of 5370 km. A vehicle on the planet's surface is moving in the same direction as the planet's rotation, and its speedometer reads 129 km/h. If the angular velocity of the vehicle about the planet's center is 1.53 times as large as the angular velocity of the planet, what is the period of the planet's rotation? I have already found the period of the planet's rotation: 138.6 h. Part B) If the vehicle reverses direction, how fast must it travel (as measured by the speedometer) to have an angular velocity that is equal and opposite to the planet's? I keep getting part B wrong though. Could someone provide a walkthrough so I can see where I'm messing up in part B?
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.
Part A) A newly discovered planet has a mean radius of 5370 km. A vehicle on the planet's surface is moving in the same direction as the planet's rotation, and its speedometer reads 129 km/h. If the
I have already found the period of the planet's rotation: 138.6 h.
Part B) If the vehicle reverses direction, how fast must it travel (as measured by the speedometer) to have an angular velocity that is equal and opposite to the planet's?
I keep getting part B wrong though. Could someone provide a walkthrough so I can see where I'm messing up in part B?
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