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Q. You are asked to hang a uniform beam and sign using a cable that has a breaking strength of 368 N. The store ownder desires that it hang out over the sidewalk. The sign has a weight of 206.0 N and the beam's weight is 50.0 N. The beam's length is 1.50 m and the sign's dimensions are 1.00 m horizontally x 0.80 m vertically.
1. What is the minimum angle that you can have between beam and cable?
2. What is the force exerted on beam by the fixture P (P is where the beam is attached horizontally to the brick wall) at the wall (magnitude and direction)?
3. What is the force by the wall on cable Q (Q is where the cable is attached to the brick wall)?
A concrete highway curve of radius 60 m is banked at a 13.0^circ angle. What is the maximum speed with which a 1300 kg rubber-tired car can take this curve without sliding? (Take the static coefficient of friction of rubber on concrete to be 1.0.)
The jet accelerates uniformly, and during that time, the pendulum oscillates about the equilibrium position shown by the solid line, with D = 0.370 m. find the magnitude of the plane's acceleration.
The coefficients of static and kinetic frictions for plastic on wood are 0.50 and 0.40, respectively. How much horizontal force would you require to apply to a 3.0 N plastic calculator to start it moving from rest.
At a distance r1 from a point charge, magnitude of the electric field created by the charge is 296 N/C. At a distance r2 from the charge, the field has a magnitude of 168 N/C. Find the ratior2/r1.
But rather caused by a star collapsing upon itself causing not a huge bang as once thought, other than rather a wimper, later emitting Hawking Radiation.
find the coefficient of kinetic friction between the slide and the child.
At t = 0 a grinding wheel has an angular velocity of 27.0 rad/s. It has a constant angular acceleration of 32.0 rad/s2 until a circuit breaker trips at t = 2s. From then on, it turns by 432 rad as it coasts to a stop at constant angular accelerati..
What is the sound intensity level. One on an Incline--One Hanging A block of mass mA = 4.50 kg on a frictionless inclined plane of angle 30.0° is connected by a cord over a massless, frictionless pulley to the second block of mass mB = 2.80 kg ha..
A pie plate is filled up to the brim with pumpkin pie filling. The pie plate is made of Pyrex and its expansion can be neglected. It is the cylinder with an inside depth of 2.10 cm and an inside diameter of 30 cm.
Two circus performers, Jack and Jill, whose total mass is 120 kg, start a swing which is 5 m long such that initially the rope attached to their swing makes an angle of 36 degrees with the horizontal.
how to Assume the protons started from very far away. Need X and Y componet.
What are magnitude and direction of net electrostatic force
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