The copper pipe has an outer diameter of 40mm and an inner diameter of 37mm. if it is attached to the wall at point a and three torques are applied as shown, determine the minimum shear stress developed in the pipe. answers should be given in units of mpa.

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The dipole moment of the water molecule (h2o) is 6.17x10^-30 c. m. consider a water molecule located at the origin whose dipole moment p points in the +x-direction. a chlorine ion ( of charge-1.60x10^-19c , is located at x=3.00x10^-9m . assume that is much larger than the separation d between the charges in the dipole, so that the approximate expression for the electric field along the dipole axis can be used. a) find the magnitude of the electric force that the water molecule exerts on the chlorine ion. b) what is the direction of the electric force. -x-direction or +x-direction c) is this force attractive or repulsive?

Which of the following best describes the shape of earth's orbit? a. ellipticalb. circularc. spirald. figure eight