If the angular velocity ratio of a and B particles in circular motion is 3:1 and the linear velocity ratio is 2:3, what is the radius and period ratio? Circular motion

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• 1. What are the linear velocity, period and angular velocity of an object moving in a circle with a radius of 20m for 100m within 10s?
• 2. The relationship between centripetal force, period and radius of an object in circular motion
• 3. The rotation period is 2S, 7 / s, the radius of circular motion?
• 4. What are the linear and angular velocities of the two objects in Beijing with latitude of 40 degrees and at the equator moving in a uniform circular motion with the rotation of the earth? The radius of the earth is 6400km
• 5. The radius of the earth is 6400 km, and the latitude of Beijing is 40 degrees. What are the angular and linear velocities of the two objects located in Beijing and the equator?
• 6. The radius of circular motion of a satellite in a broken orbit is approximately equal to that of an object rotating with the earth on the equator, but the angular velocity and linear velocity of the satellite are larger
• 7. The relationship and difference among instantaneous rate, average rate and rate
• 8. Instantaneous velocity and instantaneous rate In the VT diagram, when the limit is removed, why can the instantaneous displacement and the distance be regarded as equal?
• 9. What is the short name of instantaneous velocity? What is the short name of instantaneous velocity?
• 10. Speed is the magnitude of instantaneous speed?
• 11. Physical circular motion, but also to master the difficulty, to be clear
• 12. Is the kinetic energy of circular motion linear velocity or angular velocity
• 13. Why are the direction of angular velocity and acceleration on the rotating shaft in circular motion This is the problem I met in college physics It's really on the axis, not pointing to it
• 14. On the equatorial surface of the earth, there is an object M1 moving in a uniform circular motion with the rotation of the earth, its centripetal acceleration is A1, its linear velocity is V1, and its angular velocity is W1; the satellite M2 moving in a uniform circular motion around the earth near the earth's surface, its centripetal acceleration is A2, its linear velocity is V2, and its angular velocity is W2; the satellite m3 moving in a uniform circular orbit H = R above the earth's surface, The centripetal acceleration is A3, the linear velocity is V3, and the angular velocity is W3; then the following relationship holds: a.a1 > A2 > A3, b.v1 = V2 > V3; c.w1 < W2 < W3, d.w1 = W2 < W3
• 15. What is the relationship between the linear velocity of the earth's rotation and that of the equator
• 16. There is an object on the earth's equator that makes circular motion with the rotation of the earth. The centripetal acceleration is A1, the linear velocity is V1, and the angular velocity is W1. The synchronous satellites A2, V2, W2 and Shenzhou-7 A3, V3, W3 are compared, 3Q
• 17. 1. The angular velocity of the earth's rotation at different latitudes is 2. The linear velocity of each point on the equator is 3. The angular velocity and linear velocity of the pole are 3
• 18. What is the law of the earth's rotation speed from the equator to the poles? What are the angular and linear velocities of the north and south poles?
• 19. Compare the linear velocity, angular velocity, centripetal force and centripetal acceleration of objects on the earth's equator, near earth satellites and geostationary satellites
• 20. The centripetal force F1, the centripetal acceleration A1, the linear velocity V1 and the angular velocity W1 of the object on the earth's equator in circular motion with the rotation of the earth; The centripetal force of the geostationary satellite is F2, the centripetal acceleration is A2, and the angular velocity is W2. Suppose that the mass of the object and the satellite is equal, then a, F1 > F2 B, A1 > A2 C, V1 < V2 D, W1 = W2