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?
In fact, sometimes it is said that the angular velocity and linear velocity of the north and south poles are zero, but this is not rigorous
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- 1. 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
- 2. 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
- 3. What is the relationship between the linear velocity of the earth's rotation and that of the equator
- 4. 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
- 5. 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
- 6. Is the kinetic energy of circular motion linear velocity or angular velocity
- 7. Physical circular motion, but also to master the difficulty, to be clear
- 8. 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
- 9. 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?
- 10. The relationship between centripetal force, period and radius of an object in circular motion
- 11. Compare the linear velocity, angular velocity, centripetal force and centripetal acceleration of objects on the earth's equator, near earth satellites and geostationary satellites
- 12. 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
- 13. The higher the altitude of an artificial earth satellite, the higher the () A. The greater the linear velocity is, the greater the period is, the greater the angular velocity is, and the greater the centripetal acceleration is
- 14. Are the linear velocities of satellites equal? What's the relationship between period and radius?
- 15. The operation period of a near earth satellite is about 84 minutes. What are the angular velocity and linear velocity around the earth The radius of the earth is 6.4 * 10 ^ 6m
- 16. The ratio of the orbit radius of two satellites in uniform circular motion is 1:2 Please tell me the answer and the process of solving the problem! Thank you!
- 17. When a man-made satellite makes a circular motion around the earth and its orbit gradually increases, how does its period, angular velocity, linear velocity, centripetal force and universal gravitation change Such as the title
- 18. If the distance between two stars remains unchanged and the matter of one star is transferred to another, how can the period and linear velocity change
- 19. A pair of stars a and B make a uniform circular motion around a point on their line. Its cycle is t, the distance between a and B is l, and the ratio of their linear velocity V1 / V2 = 2, Find the mass of the two stars
- 20. When the linear velocity is V, the radius of the circle is R. if the centripetal force remains unchanged, when the radius of the circle is 2R, the angular velocity should be () A. v2RB. 2v2RC. vRD. 2vR