A 400-kg satellite was placed in a circular orbit 1500 km above the surface of the earth. At this elevation the acceleration of gravity is 6.43 m/s ^ 2 . Determine the kinetic energy of the satellite in kJ, knowing that its orbital speed is 25.6*10^ 3 km/h . Final answer in: 4 decimal place Unit: KJ(kilojoules) Thanks!

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Friction

Friction is defined as the force that prevents any solid surface, any layer of fluid, or any kind of element or material from sliding.