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During the first stage of its launch, a space shuttle goes from rest to 4973km/h while rising a vertical distance of 46.0km . Assume constant acceleration and no variation in over this distance. Suppose a tool having a normal earth weight of 128 N was hanging by a very light wire from the ceiling of the shuttle. Find the tension in the wire.
consider two solid disks of identical radius and thickness. one of the disks is made of aluminum (density=2.7g/cm), what is the ratio between the two moments of inertia
What is the length of the greatest and thinnest string that can be located under a tension of 860 without breaking .
An object with a mass of 10 kg is resting on a wedge that is 32 degrees from horizontal. What is the normal force exerted on the mass from the wedge
The speed of light in a certain medium is 2.2E10^8 m/s. What is the index of refraction of this medium
q1. a solid rock is suspended in air by a spring scale. the rock has a mass of 2.50 kg. when the rock is dunked in
Given the angular speed omega, find out the radius R(omega) at which the mass rotates without moving toward or away from the origin. Determine the radius in terms of k, L, M, and omega.
The two forces in each pair could have different physical origins (for instance, one of the forces could be due to gravity, and its pair force might be due to friction or electric charge).
A device used in radiation therapy for cancer contains 6.30×10-1 g of cobalt 2760Co (59.9333819 u). Determine the activity of the radioactive material
What will be the resulting speed of the boat. A 74 kg fireman slides down a 4-m pole by applying a frictional force of 384 N against the pole with his hands. If he slides from rest, how fast is he moving once he reaches ground.
Three forces act on a body which moves with constant velocity. One force is 9 N acting at an angle of 70°, What is the angle of the third force
A proposed ocean thermal-energy conversion (OTEC) system is a heat engine that would operate between warm water (26°C) at the ocean's surface, What is the maximum possible efficiency of the system
Two particles of masses and () are located 10 meters apart. Where is the center of mass of the system located
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