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Question: A uniform beam having a weight of 60 N and a length of 3.2 m is hinged at its lower end and acted on by a horizontal force F of magnitude 50 N at is upper end (see Figure 1). The beam is held vertical by a cable that makes an angle of 25o with the ground. What are
(a) the tension in the cable and
(b) the horizontal and vertical components of the force of the hinge on the beam?
Suppose the total power of a laser beam (optical output power) is 0.5 x 10-3 W. what is the average intensity of light within the square
Water is circulating through a closed system of pipes in a two floor apartment. On the first floor, the water has a gauge pressure of 3.4 x 105 Pascal and s speed of 2.1m/s. Find the gauge pressure of the water on the second floor
A stunt man jumps horizontally from building to building. From his current position, he wishes to jump to a building 2m over and 2.5m below him. What is the minimum velocity he must jump with to safely make it onto the building?
The difference in potential between the accelerating plates of a TV set is about 29 kV. The distance between these plates is 1.2 cm. Find the magnitude of the uniform electric field in this region. Answer in units of N/C
suppose that the magnetic field of the earth were due to a single current moving in a circle of radius 2910 km through
Flint glass has a refractive index of 1.645 for blue light and 1.629 for red light. When viewing an image these colors will not focus at the same location due to this effect. Find the focal length of both the blue and red light
What mass of water at 23.0°C should be allowed to come to thermal equilibrium with a 1.57-kg cube of aluminium initially at1.50 multiplied by 10 2 °C to lower the temperature of the aluminium to 69.8 °C? Suppose any water turned to stream subseque..
An iron ball is suspended by a thread of negligible mass from an upright cylinder that floats partially submerged in water. The cylinder has a height of 6.00 cm, a face of 12cm^2 on the top and bottom, and a density of 0.30g/cm^3, and 2.00com of i..
Suppose that such a capacitor was made in the form of aparallel-plate capacitor with a vacuum between the plates and an electric field no greater than 5.00106 V/m. What is the minimum area of the plates?
Determine the finite element stiffness and mass matrices for the torsion al problem. The problem is identical to that of the axial vibration.
Use the 5 N spring scale to determine the mass of the Slinky®. Record the mass in Table 1. Count the number of loops the Slinky® contains. Record this value in Table 1.
The flame is stabilized just downstream from a grid having a mesh spacing of 2 mm in a wind tunnel with an average velocity of 0.6 m/s at the grid.
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