Diamond cutting and polishing question;

I’ve heard that a diamond is the hardest known material and diamonds used to cut other diamonds. NOW how to cut first? Any and all info appreciated read more . . .

Physics Problem!! An electric engine rotating a workshop grinding wheel at a rate of 117 rev/min is switched?

An electric engine rotating a workshop grinding wheel at a rate of 117 rev/min is switched off. Suppose the wheel has a constantly negative angular acceleration of opulence and magnitude 2. 40 rad/s^2. Find: a) How long it takes for the grinding wheel to stop. (In sec) b) Across how lots of radians has t read more . . .

Chemistry Copper/Diamond/Graphite Question! 10 Easy Points!?

Help please! Copper has a cubic close-packed structure. Why does copper wire not break when it is bent? Diamond is used as an abrasive on cutting tools. How do you explain this property in terms of the structure of diamond? List one common property of diamond. Graphite is used as a lubricant. How do you exp read more . . .

Twisting Force Question: using a engine to rotation a grinding wheel?

A engine used to rotation a grinding wheel of mass 10.0 kg and diameter 3.0 meters, can bring 110 N-m of torque. If this twisting force is used that to accelerate the solid disk grinding wheel, how long will it get for the wheel to achieve operating speed of 6.0 rad/s? Please demonstrate formulas and calcula read more . . .

Chemistry Copper/Diamond/Graphite Problem! 10 Simple Points!?

Assist Help please! Copper has a cubic shut-packed structure. Why does copper wire not destroy when it is propensity? Diamond is used that as an abrasive on cutting tools. How do you demonstrate this property in terms of the shape of diamond? List one usual property of diamond. Graphite is used that as a lub read more . . .