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A 10.00 m uniform beam is hinged to a vertical wall and held horizontally by a 5.00 m cable attached to the wall 4.00 m above the hinge, as shown in the figure below . The metal of this cable has a test strength of 0.800 kN, which means that it will break if the tension in it exceeds that amount.
What is the heaviest beam that the cable can support with the given configuration?
Find the horizontal component of the force the hinge exerts on the beam.
Find the vertical component of the force the hinge exerts on the beam.
If the create has a mass of 110 and is 1.60 tall and 0.80 in depth and width, what is the minimum force needed to make the crate start tipping? (Assume the center of mass of the crate is at its center and static friction great enough to prevent sl..
A speedy tortoise can run at 0.01 meters per second and a hare can run 21 times as fast. In a race they both start at the same time; however the hare stops to rest for 1.50 minutes. So the tortoise wins by a shell (20 cm).
A person of mass 80 kg stands at the center of a rotating merry-go-round platform of radius 3.5 m and moment of inertia 920 kg cdot m^2. The platform rotates without friction with angular velocity 0.85 rad/s. The person walks radially to the edge ..
An electron, starting from rest, accelerates through a potential difference of 779 V. What is the final de Broglie wavelength of the electron
A battery delivers 2.54A to a resistor rated at 4.60? . When it is connected to a 2.15? resistor, it delivers 4.98A. Determine the battery's terminal voltage
a farsighted person has a near pont that is 67cm from her eyes. she wears eyeglasses that are designed to enable her to read a newspaper held at a distance of 25cm from her eyes. find the focal length of the eyeglasses
A 3.50-m-long, 360kg steel uniform beam extends horizontally from the point where it has been bolted to the framework of a new building under construction, What is the magnitude of the total torque due to the worker and the force of gravity
A tube of radius 5cm is connected to tube of radius 1 cm as shown above. Water is forced through the tube at a rate of 10 liters/min. The pressure in the 5 cm tube is 1×10^5 Pa. The density of water is 1000kg/m3. Suppose that the water is no visco..
A car moving at 10.0 m/s encounters a bump that has a circular cross-section with a radius of 30.0 m. when the car is at the top of the bump
The company adheres to a 60% dividend payout ratio and has a P/E ratio of 19. There are 21,000 shares of stock outstanding. Illustrate what is the amount of the annual net income for the firm?
The carbon isotope 14C is used for carbon dating of archeological artifacts. 14C ( mass 2.34×10?26kg) decays by the process known as beta decay in which the nucleus emits an electron, What is the recoil speed of the nucleus
You exert a force of 21 N on the head of a thumbtack. The head of the thumbtack has a radius of 5 mm. What is the pressure on your thumb
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