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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?
Saturn's moon Titan is the largest moon in the solar system. Its mostly-nitrogen atmosphere exerts a pressure of 1.60×105 Pa at the moon's surface.
A 3.0-kg particle has a position vector given by r=(2.0t^2i+3.0j) where r is in meters and t is in seconds. What is the angular momentum of the particle
What is an angular speed about the center of mass
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The coefficient of friction between the cart and the horizontal track is μk = 0.20. The pulley does not spin as the string passes over it. If the cart and mass are released from rest, you want to find the speed of the two objects immediately befor..
A mechanic pushes a 2.8 multiplied by 103 kg car from rest to a speed of v, doing 5400 J of work in the process. During this time, the car moves 20.0 m. find the horizontal force exerted on the car
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Derive an expression for the shift in lambda in the peak wavelength of the planck function for a black body temperature T, corresponding to a small shift in temperature.
Suppose the gasoline in a car engine burns at 637 oC, while the exhaust temperature (the temperature of the cold reservoir) is 106 oC, Determine the ratio of the total work produced by both engines to that produced by the first engine alone
the 500 lbf motor is supported on springs with a total stiffness of 5000 lbfin. the springs have a damping ratio of
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