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A compact mass M is attached to the end of a uniform rod, of equal mass M and length L that is pivoted at the top (Fig.).
(a) Determine the tensions in the rod at the pivot and at the point P when the system is stationary. (Use M, L, y, and g in your equations as appropriate.)
(b) Calculate the period of oscillation for small displacements from equilibrium, and determine this period for L = 1.96 m.
there are 2 charges 3.5 microcoulmb and 5.2micro coulomb located at -4 cm 0 and 4 cm 0 respectively.a determine the
q1. a 60 m ladder leans against a wall. what is the minimum force of friction essential to prevent the ladder from
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A 4.0-m-long iron bar of uniform cross section is held perpendicular to the wall by a wire from the end of the bar to the wall. what is the magnitude of the horizontal component of force produced by the wall
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Old naval ships fired 15 kg cannon balls from a 210kg cannon. It was very important to stop the recoil of thecannon, What was the speed of the cannon ball if the spring compressed50 cm when the cannon was fired
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A 5.72kg box sits on an incline with an angle 38.0o above the horizontal. The coefficient of kinetic friction between the box and the ramp is 0.28. What horizontal force is required to move the box
An interference filter has an effective bandwidth of 10 nm. Would it be feasible to employ such a filter to isolate the calcium emission line at 422.7 nm from the potassium emission line at 404.4 nm? Assume that the signals are triangular in shape. S..
A tall student and a short student are carrying a 70lb load between them. The tall student holds the load at an angle of 45 degress with the verticle while the short student holds the load at a 30 ddegree angle. What force does each exert?
Why the efficiency of the system is higher when the input current of the electrolyser is low? Explain.
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