Two opposite poles repel each other

A 7.80 in. diameter shaft contains a 0.900 in. deep U-shaped groove that has a 0.60 in. radius at the bottom of the groove. The maximum shear stress in the shaft must be limited to 6000 psi. If the shaft rotates at a constant angular speed of 5.

Given two resistors R1=40 ohm and R2=30 ohm connected in series, what is the total resistance of this configuration? Enter the value in the box below without the unit. Round the result to two decimal places if necessary.

Students are expected to respond to one of the two questions described below. Students should provide examples to clarify their response. 1.

True or False? Because of technological advances, human error is not an issue when it comes to piloting an airplane.

Indicate whether the following statements are true or false for a reversible isothermal process: (A) Q=T (∆S). (B) ∆U=0. (C) The entropy change of the system is always zero. (D) The total entropy change of the system and the surroundings is zero.

Technician A says that the micrometer operates on a simple principle: The spindle has 20 threads per inch, so one revolution of the thimble will advance or retract the spindle 1/20 of an inch.

The following is a list of metals and alloys: Plain carbon steel Magnesium Brass Zinc Gray cast iron Tool steel Platinum Aluminum Stainless steel Tungsten Titanium alloy 1.

If there is a single line inside of an loop/if-statement, brackets are required around the loop/if-statement according to the Google Java Style Guide. True/False

If the surface energy of a magnesium oxide - nickel oxide (MgO-NiO) solid solution is 1.05 J/m2 and its elastic modulus is 198 GPa, what is the maximum length of an internal elliptical flaw, in mm, if the ceramic part must survive an applied tensile

Explain how the objects in a battery work with its components