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A certain object is composed of a solid sphere of mass 15 kg and radius 0.5 m, connected to two thin rods of length 2 m and mass 5 kg. The object is initially oriented in the vertical plane and then released. Gravity then causes it to rotate clockwise around a frictionless axis through the center of the sphere. In the diagram, you are looking to the west. The center of mass of the object is located 0.8m away from the axis.
1) What is the initial angular acceleration of the object?
2) What is the initial acceleration of the center of mass of the object?
Two rowers, who can row at the same speed in still water, setoff across a river at the same time. Which rower reaches the opposite side first
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A channel and a plate are welded together as shown to form a section that is symmetrical with respect to the y axis. Determine the moments of inertia of the combined section with respect to its centroidal x and y axes. Hint: look online for propertie..
Suppose a charge of -1.60 µC is at the origin and a charge of 3.30 µC is at the point (0, 3.00) m. Find the electric potential at (4.00, 0) m, assuming the electric potential is zero at infinity. V = 3 . V What is electric potential?
suppose light coming from the air strikes a rectangular slab of material with index of refraction 2.5 and incident angle 60 degree. At what angle from the normal will it leave the other side of the material?
Standing waves of frequency 73 Hz are produced on a string that has mass per unit length 0.0160 kg/m. With what tension must the string be stretched between two supports if adjacent nodes in the standing wave are to be 0.47 meters apart?
find the velocity of the falling parachutist. assuming the initial velocity is zero the mass is 68.1kg,drag is 12.5 kg/s, gravity is 9.8m/s2 and the time is 10s
The motor of a ski boat generates an average power of 5.94 × 104 W when the boat is moving at a constant speed of 18.8 m/s. What is the tension in the tow rope that is pulling the skier
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