A car is traveling on a banked curve as shown in the figure below. The radius of curvature of the road is R, the banking angle is θ, and the coefficient of static friction is μs. (a)Determine the range of speeds the car can have without slipping up or down the road. (Use any variable or symbol stated above along with the following as necessary: g. Note that the subscript of μs is lowercase.) vmin = vmax =   (b)Find the minimum value for μs such that the minimum speed is zero. (Use the following as necessary: R, θ, and g.) μs =

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Directions: Select the best answer for the following questions. Use g = 9.80 m/s? and assume all numbers are accurate to 3 significant figures unless otherwise indicated. 1. An 900 N billboard worker stands on a 3 m scaffold supported by vertical ropes at each end. If the scaffold weighs 400 N and the worker stands 1 m from one end, what is the tension in the two ropes that support the scaffold at either end?

Please answer question asap and just send paper solution and find everything that is asked if you give wrong answer i will report it example 2 i just have 10 mins faster please

In order for a car to negotiate the banked curve, it needs to travel at a minimum speed. If the curve radius of 60 meters and a banking angle of 14o. What is the ideal, or critical, speed (the speed for which no friction is required between the car's tires and the surface) for a car on this curve. Include a diagram in your solutions showing all forces acting PLEASE HELP ME ANSWER THIS QUESTION SHOWCASING UR FULL WORK AND PLEASE INCLUDE A DIAGRAM

Starting from rest, the cable can be wound onto the drum of the motor at a rate of VA 5t3, where t is in seconds. Determine the time needed to lift the load 6 m if the speed to hoist the load up is 9m/s. A

The pair of pulleys is used to lift a 40-kg block 0.25 m. The constant upward acceleration of the block during the lift is +2.5 m/s^2, and the pulleys and rope have negligible inertia and negligible friction. A. What is the tension in the pulling rope? Express your answer with the appropriate units. B. What is the tension in the rope from which the block hangs? Express your answer with the appropriate units. C. Determine the magnitude of the force exerted by the upper mount on the top pulley. Express your answer with the appropriate units. D. How much work is done by the person pulling the rope in lifting the block 0.25 mm? Express your answer with the appropriate units. E. By how much does the kinetic energy of the block change in this process? Express your answer with the appropriate units. F. How much work is done on the block by the rope attached to it? Express your answer with the appropriate units. G. How much work does the ceiling do in this process? Express your answer with the…