Created by StemPy LabA satellite orbiting just above the surface of the Earth has a period of about . Another planet is also a uniform sphere, but its mean density is three times that of the Earth, and its radius is different from the Earth's. The period of a satellite orbiting just above the surface of this planet is closest to
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← A uniform rod of mass M and length L is hinged at one end to a fixed frictionless pivot, so that it can turn in a vertical plane. The rod is held horizontal and then released from rest. The magnitude of the force exerted by the hinge on the rod at the instant just after release isA clean glass capillary tube of inner radius 0.5 mm is dipped vertically into water. The surface tension of water is 0.07 N/m, the angle of contact is 0°, the density of water is 1000 kg/m³ and g = 10 m/s². Only 2.0 cm of the tube sticks out above the water surface in the beaker, which is less than the height to which water would normally rise in this tube. Which statement describes what happens? →
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