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A 185-kg sculpture hangs from a horizontal rod that serves as a pivot about which the sculpture can oscillate. The sculpture\'s moment of inertia with respect to the pivot is 16.7 kg·m2, and when it is swung at small amplitudes, it is found to oscillate at a frequency of 0.734 Hz. How far is the pivot from the sculpture\'s center of mass?
A rock is thrown downward into a well that is 8.90 deep. If the splash is heard 1.20 seconds later, what was the initial speed of the rock? Take the speed of sound in the air to be 343 m/s.
At a distance of 1.41 m from a point charge of +2.74 ?C, how many of the additional equipotential surfaces are crossed by the time the electric field has shrunk to one-half of its initial value
A mercury thermometer is free of all markings. The thermometer is placed in an ice bath. When the thermometer is in equilibrium with the ice bath the position of the mercury column is marked on the glass.
An automobile weighing 1.80×104 N is moving with an initial speed of 64.0 km/hr along a flat highway. What is the time required to stop the automobile in the previous problem
A simple Pendulum is released from the horizontal position. The length of its string is 1.5 m , and the mass is 50 g. find The tangential acceleration of the mass
how long is the eagle in the air?
Suppose your lab partner has a height L of 170 cm (5 ft, 7 in) and a weight w of 680 N (153 lb). find the distance of your lab partner's center of gravity from the left end of the board
What is the surface temperature of Betelgeuse, a red giant star in the constellation of Orion, which radiates with a peak wavelength of about 970 nm?
A daredevil plans to bungee jump from a balloon 72.0 m above a carnival midway. He will use a uniform elastic cord, What length of cord should he use
A loudspeaker of mass 22.0 {rm kg} is suspended a distance of h = 1.60 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.90 {rm m}.
A starship that was traveling at 0.7 c just returned from a 4-year voyage. If the time means 4.0 years of earth time, how much time elapsed on the ship? If the time means 4.0 years of ship time, how much time passed on earth?
A beaker of mass 1.5kg containing 3.2kg of water rests on a scale. A 3.2kg block of a metallic alloy of density 53400 kg/m is suspended from a spring scale is submerged in water of density 1000 kg/m.
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