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A walkway suspended across a hotel lobby is supported at numerous points along its edges by a vertical cable above each point and a vertical column underneath. The steel cable is 1.27 cm in diameter and is 5.70 m long before loading. The aluminum column is a hollow cylinder with an inside diameter of 16.14 cm, an outside diameter of 16.24 cm, and unloaded length of 3.25 m. When the walkway exerts a load force of 9000 N on one of the support points, how much does the point move down in meters?
An air parcel occupied by an ideal gas (T1 = 255 K, V1 = 1500m3, m1 = 1680 kg) collides and mixes with a second air parcel occupied by a second ideal gas (T2 = 280 K, V2 = 1200 m3, m2 = 1392 kg). Assuming the specific heat capacities of the gases ..
A wire of radius a is surrounded by a cylindrical conductor of inner radius a and outer radius 2a,. find the radius at which the magnetic field is zero
Suppose the coefficient of static friction between the road and the tires on a car is 0.60 and the car has no negative lift. What speed will put the car on the verge of sliding
A charged particle moves through a velocity selector at a constant speed in a straight line. The electric field of the velocity selector is 3.85 103 N/C, while the magnetic field is 0.360 T. When the electric field is turned off, the charged particle..
What is the mass of sculpture (in kg) assume that the local acceleration due to gravity is 9.80 m/s2.
The index of refraction for red light in water is 1.331 and that for blue light is 1.340. A ray of white light enters the water at an angle of incidence of 60.8°
A hill that has a 15.8 % grade is one that rises 15.8 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal
A mining cart is pulled up a hill at 20 km/h and then pulled back down the hill at 33 km/h through its original level. What is the average speed of the cart for its round trip
A team of tornado-chasing meteorology graduate students is out in search of tornados. They drive directly toward a tornado warning siren at 25.5 m/s
A toy train is pushed forward and released at xi = 2.4 m with a speed of 1.4 m/s. What is the train's acceleration after its wheel begins to stick
When light of wavelength 380 nm falls on a cesium surface, electrons having a maximum kinetic energy of 1.13 eV are emitted. find the frequency corresponding to the cutoff wavelength
A 31.5 cm focal length converging lens is 20.0 cm behind a diverging lens. Parallel light strikes the diverging lens. What is the focal length of the diverging lens
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