cuzer

Most popular questions and responses by cuzer
  1. physic

    A satellite used in a cellular telephone network has a mass of 2010kg and is in a circular orbit at a height of 770km above the surface of the earthTake the gravitational constant to be G = 6.67×10−11N⋅m2/kg2 , the mass of the earth to be me =

    asked on July 11, 2013
  2. physic

    A Ferris wheel 26.0m in diameter rotates once every 15.0s . What is the ratio of a person's apparent weight to her real weight at the top?

    asked on July 13, 2013
  3. physic

    A Ferris wheel 26.0m in diameter rotates once every 15.0s What is the ratio of a person's apparent weight to her real weight at the top?

    asked on July 11, 2013
  4. physic

    A Ferris wheel 26.0m in diameter rotates once every 15.0s What is the ratio of a person's apparent weight to her real weight at the top?

    asked on July 12, 2013
  5. physic

    A stone is dropped from the roof of a high building. A second stone is dropped 1.00s laterHow far apart are the stones when the second one has reached a speed of 12.0m/s ?

    asked on July 6, 2013
  6. physic

    Planet A and planet B are in circular orbits around a distant star. Planet A is 4.5 times farther from the star than is planet B. What is the ratio of their speeds vA/vB?

    asked on July 12, 2013
  7. physic

    A satellite circles a spherical planet of unknown mass in a circular orbit of radius 1.9×107m . The magnitude of the gravitational force exerted on the satellite by the planet is 140N What would be the magnitude of the gravitational force exerted on the

    asked on July 12, 2013