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A restaurant owner attaches a sign to the side of his building as shown in the image. A beam is bolted to the building to support the cable, and the cable is anchored to the end of the beam and tensioned such that it bears the full weight of the sign. The beam is exactly horizontal with respect to the earth, the upper portion of cable makes a 31.8o angle with the beam, and the mass of the sign is 15.6 kg.
Determine the magnitude of the tension in the cable. Give your answer in Newtons.
An accelerating voltage of 2415 V is applied to an electron gun, What are the magnitude and direction of the deflection on the screen caused by the Earth's gravitational field
A 450 cm3 block of aluminum (D = 2.7 g/cm3) is lowered carefully into a completely full beaker of water. What is the weight of the water
A meter stick moving in a direction parallel to its length appears to be only 40cm long to an observer. what is the meter stick's speed relative to the observer
A 0.20-kg metal sphere oscillates at the end of a vertical spring. As the spring stretches from 0.13 to 0.21 m (relative to it sunstrained length), the speed of the sphere decreases from 5.3 to4.6 m/s. What is the spring constant of the spring?
A monochromatic beam of X-rays with a wavelength of 0.290nm is scattered by a metal foil. what is the observed scattering angle
A uniform rod of length 49m and mass of 82 kg is free to rotate about a frictionless pivot at one end in a vertical plane. find the magnitude of the initial angular acceleration of the rod
a soccer ball is kicked from the ground with an initial speed of 21.0 ms at an upward angle of 45deg. a player 58.0 m
sometimes a person cannot clearly see objects close up or far away. to correct this type of vision bifocals are often
a 49N brick is placed in 1m^3 of oil. the volume of the oil raises to 1.025m^3. What are the forces acting on the brick when at rest on the scale at the bottom of the pool? Include their direction
The disk in a hard drive in a desktop computer rotates at 7200 rpm. The disk has a diameter of 5.1 in (13 cm). What is the acceleration of this point on the disk
question1two geological field teams are working in a remote area. a global positioning system gps tracker at their base
A ball is thrown from a point 1.0 m above the ground. The initial velocity is 19.8 m/s at an angle of 34.0° above the horizontal. Find the maximum height of the ball above the ground
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