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

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• 1. The relationship and difference among instantaneous rate, average rate and rate
• 2. 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?
• 3. What is the short name of instantaneous velocity? What is the short name of instantaneous velocity?
• 4. Speed is the magnitude of instantaneous speed?
• 5. Are velocity and average velocity vectors
• 6. Average velocity, average velocity, instantaneous velocity, instantaneous velocity, average acceleration, instantaneous acceleration The size of vector is scalar. When similar concepts are used in the above concepts, will there be a logic error?
• 7. Why is physical velocity the size of velocity If you run around a circle, the displacement is 0, so the speed is 0, but the speed should not be 0
• 8. What's the difference between speed and speed? Ask for advice. In addition, the variation of velocity rate with time is not uniform, but the variation of velocity with time is uniform. How to understand
• 9. The average speed is the distance divided by time. Then an object accelerates in the first second, stops in the second second, decelerates and accelerates in the third second within 10 seconds. The result is that the distance is 100 m, the displacement is 10 m, but the time is 10 s, so the average speed is 10 m / S? The average speed is 1 m / S? No matter what the distance is, our average speed and speed, It's just emphasized that if he uses uniform speed, it's just the speed. I've figured it out,
• 10. What's the difference between velocity and velocity in physics?
• 11. 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?
• 12. 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
• 13. The rotation period is 2S, 7 / s, the radius of circular motion?
• 14. The relationship between centripetal force, period and radius of an object in circular motion
• 15. 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?
• 16. 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
• 17. Physical circular motion, but also to master the difficulty, to be clear
• 18. Is the kinetic energy of circular motion linear velocity or angular velocity
• 19. 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
• 20. 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