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Determine the coefficient of restitution between knob K and the surface.
A slender rod AB of mass m is attached to two blocks A and B that can move freely in the guides shown
A slender rod AB of mass m is attached to two blocks A and B which can move freely in the guides shown. Knowing that the spring is unstretched
A slender rod AB of weight W is attached to blocks A and B which move freely in the guides shown. The constant of the spring is k, and the spring is unstretched
A slender rod of length L and weight W is attached to collars which can slide freely along the guides shown.
Neglecting the effect of friction, determine the value of ? corresponding to the equilibrium position of the mechanism when l = 15 in., r = 4.5 in., P = 15 lb
A slender rod of length l is pivoted about a point C located at a distance b from its center G. It is released from rest in a horizontal position and swing
A small 0.2 kg sphere B is given a downward velocity 0 v and swings freely in the vertical plane, first about O and then about the peg A after the cord
A slender, uniform steel rod of length 9 in. is placed inside a pipe as shown. Knowing that the coefficient of static friction between the rod and the pipe
A semicircular rod is loaded as shown. Determine the internal forces at point J knowing that ? = 30°. You should provide the solution of the problem
A section of uniform pipe is suspended from two vertical cables attached at A and B. Determine the frequency of oscillation when the pipe is given
A section of track for a roller coaster consists of two circular arcs AB and CD joined by a straight portion BC.
A rod of weight W and uniform cross section is bent into a quarter circle and is supported as shown. Determine the bending moment at point J
A satellite describes an elliptic orbit of minimum altitude 376 mi above the surface of the earth. The semimajor and semiminor axes are 10840 mi and 8670 mi
A satellite is placed into an elliptic orbit about the earth. Knowing that the ratio vA/vP of the velocity at the apogee A to the velocity at the perigee
A scooter is designed to roll down a 3 percent slope at a constant speed. Assuming that the coefficient of kinetic friction between the 25-mm-diameter axles
Knowing that the diameter of the sun is 1.39 Gm and that the acceleration of gravity at its surface is 274 m/s2, determine the radius of the orbit
A satellite of mass m describes a circular orbit of radius r about the earth. Express as a function of r
A rocket sled is tested on a straight track that is built along a meridian. Knowing that the track is located at latitude 40° north, determine the Coriolis
A piece of sheet metal of thickness t and density is cut and bent into the shape shown. Determine its mass moment of inertia with respect to a line joining
A piece of plywood in which several holes are being drilled successively has been secured to a workbench by means of two nails.
A projectile is launched from point A with an initial velocity v0 of 120 ft/s at an angle of 30° with the vertical.
A prismatically shaped gate placed at the end of a freshwater channel is supported by a pin and bracket at A and rests on a frictionless support at B.
A precast concrete wall section is temporarily held by two cables as shown. Knowing that the tensions in cables BD and FE are 900 N and 675 N
A player hits a 2-oz tennis ball with a horizontal initial velocity of 54 ft/s at a height of 4.5 ft. The ball bounces at point A and rises to a maximum height