what determines the cue ball speed?

I'll add that off center hits store some of the applied energy in angular momentum, reducing ball "speed" off the cue tip.
 
Friends, cue ball speed is determined by (mass X flizzle X snartch + 2) / pi. I can't believe this topic has come up again. For Pete's heck, don't make me repeat it again!!!
 
Not sure why this would be confusing, if you hit the cueball harder (more speed in the cue) it will have more force behind it and will go faster. Same as anything. Throw a ball with greater force and then slower and see how far they go.

Physics, Mass + Speed (acceleration) = Force.

Mass should be multiplied not added to acceleration to equal force.
 
I agree with Dr. Dave. Not sure the OP is seeking physics understanding or lay physics but practicals for controlling the rock on the table.

The Drill Instructor uses a fine system of ten different speeds for the cue ball so you can dial in your shot. I teach something a bit different, bridge length and stroke length to help with cue ball speed control.

Not trying to be a snob but the Ask The Instructor threads are helpful for this kind of stuff.
 
Force = Mass x Acceleration. That being said, if you move the tip of the cue at 100 miles per hour but hardly touch the cue ball, all that energy wont be transferred and it won't move as fast as if you stroke through the cue ball.
 
I agree with Dr. Dave. Not sure the OP is seeking physics understanding or lay physics but practicals for controlling the rock on the table.

The Drill Instructor uses a fine system of ten different speeds for the cue ball so you can dial in your shot. I teach something a bit different, bridge length and stroke length to help with cue ball speed control.

Not trying to be a snob but the Ask The Instructor threads are helpful for this kind of stuff.

10 different speeds??? paralysis through analysis
 
If you take a running start and use an extension you can get that thing over 700 MPH.
650 MPH if you decelerate.

OK food for thought here.... Imagine you started rolling the cueball slowly toward the rack on the break to give it a headstart, and then before it passed the headstring, you hit it with your best break shot?

Would the cueball go faster than if it started still?

How about if you hit it while it was rolling toward you?
 
10 different speeds??? paralysis through analysis
The idea is not for experienced players. It is for beginners who don't know that there are different speeds. It puts speeds into some kind of framework for them which can help them learn faster. Kind of like aiming systems.:duck:
 
You might also want to shorten/lengthen your grip and bridge hand for some speed control. Imagine shooting with a shorty (short stick) and not being able to produce a hard hit. It's the same principle, but not to that extreme. Practice moving your grip hand slightly away from the perpendicular line in both directions. That alone can work wonders for controlling the speed of the CB.
 
10 different speeds??? paralysis through analysis

Have you reviewed the system? Speeds like 6 through 10 are simply adding rail distance - how many long rails the cue ball will traverse when rolled along the table without touching an object ball.

Students of the DI can then learn hundreds of shots in his drills at "8 speed"," 6 speed", etc. and they know and can feel what he's talking about.

10 speeds may be an oversimplification rather than paralyzing--after all, you need to draw a cue ball three inches on some shots, 6 inches here, 9 inches there.

I try not to knock a system from a fellow teacher until I've tried it, thought about it.
 
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