SKU: 70164809219

Comment on the Correct Physical Value of the Gravitational Constant

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Comment on the Correct Physical Value of the Gravitational ConstantIt is widely believed that the gravitational constant G is difficult to measure with any degree of precision, due to the tiny magnitude and difficulty in shielding experimental apparatuses. Most scientists also believe that G cannot be derived in terms of other more precisely known physical constants. In his book, scientist Ronald Sherrod seeks to disprove these notions. Sherrod will show, by numerical analysis, an indirect pathway for relating G to

It is widely believed that the gravitational constant G is difficult to measure with any degree of precision, due to the tiny magnitude and difficulty in shielding experimental apparatuses. Most scientists also believe that G cannot be derived in terms of other more precisely known physical constants. In his book, scientist Ronald Sherrod seeks to disprove these notions. Sherrod will show, by numerical analysis, an indirect pathway for relating G to other physical constants such that it can be evaluated. Thinking outside the box, Sherrod attempts to break through those barriers scientists have put up concerning G. 

About the Author: 

Ronald Sherrod is a retired member of the scientific community. He is currently a member of the ResearchGate community of scientists and is actively working on methods of carbon entrapment in regards to climate change. Sherrod resides in San Jose, California. 

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SKU: 70164809219

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4.0 ★★★★★
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Timmy B
Chelsea, US
★★★★★ 5
A tank of a USB hub that does everything you need it to do.
I hooked up an external hard drive, my webcam, and use it to charge my phone. Initially, I was concerned about whether or not it would provide enough juice to give each item what they needed, but I was pleasantly surprised to find that everything was getting the same amount of wattage it was before. There are plenty of USB ports to keep me happy. My computer came with some in front and some in back, but it wasn't enough for all the different accessories I have. I looked at adding a PCIE card, but this hub did the trick for exactly what I needed it to do.I was also concerned about how much data would be able to flow through the hub, but again, I was surprised because the hub connected straight to one of my USB-C slots, which provided a high transfer rate. Well, high enough for me. It's really small, which I like. I can pack it in my backpack or laptop bag. The cord is short enough to be practical, but not so short that you can barely move the whole thing. It looks great, in that it's a neutral design that doesn't stand out in any negative ways. I have it velcroed to the side of my desk, and it's been rammed by the side of my computer a few times, so I know it can take a beating. Its strength is something I really like about this little hub. I don't have to be worried about tossing it in a bag and having it get bumped around or smashed. Overall, just what I needed, and for a great price.
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Reviewed in the United States on July 1, 2025
B
Verified Purchase
Bruce Henne
Bozeman, US
★★★★★ 5
Great low cost USB C to 4K HDMI splitter adaptor
Color: Black
The Anker USB C Hub 5-in-1 USBC to HDMI splitter with 4K display with one powered USB c and 2 USB A ports works flawlessly and is a perfect travel companion or simple and inexpensive desktop dock to connect a moderan USB C only laptop to a large monitor up to 4K resolution. It supports 4K at 60 Hz so not for high speed gaming but it is flicker free for daily work where running at 60 Hz provides a clean looking 4K display. The USB C and USB A ports work perfectly. I already have four of these in different port configuration but wanted the 4K extension for travel and this was the best one for quality and bang for the buck.
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Reviewed in the United States on May 4, 2026
S
Verified Purchase
Steve
Los Angeles, US
★★★★★ 5
Compact hub that punches well above its size
Color: Black
This hub handles 4K HDMI output and three data ports cleanly without any noticeable lag or connection issues. The powered ports on both the USB-C and USB-A sides are a useful feature for running peripherals without draining the host device. Compact enough to leave plugged in permanently without getting in the way. Works reliably on MacBook and Dell machines as described. Good value for a well-built hub with a solid feature set.
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Reviewed in the United States on June 8, 2026
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Verified Purchase
Winnie
Whiting, US
★★★★★ 5
Compact, Travel friendly, Works well with ROG ALLY
Color: White
This is a compact and well built adapter, and it is travel friendly. I use it for my ROG ALLY when I don’t want it docked and still need charging and other device inputs. It has just about enough ports for what I need, usb-c power delivery port for charging (ROG ALLY can still run at maximum performance using this with a 100W charging brick and a cable that allows 100W power pass through). I use the remaining USB-C port and two USB-A ports for external hard drives or gaming controller 2.4Ghz receiver. Transferring files between ROG ALLY and an external SSD with this adapter is fast, could reach above 380 mb/s. All the device inputs were as advertised, “plug and play”. The hdmi port also gives me an option to connect my ROG ALLY to TV when I don’t have the dock which takes up more space for traveling. One thing to note, you will have to use the USB-C port on your PC which provides more power (usually at the back and not on the front of the pc), if not plugged in to a power source. When I received my first order, I plugged it into the front USB-C port of my mini PC, just for my wired keyboard and mouse, the computer didn’t recognize it and couldn’t get any input from my keyboard and mouse. I returned the first one and thought it wouldn’t work as I expected. A few days later when I was using another Anker 7 in 1 USB-C adapter, I ran into the same issue but I know that adapter had been working well, then I realized I had to plug it into the port on the back of the PC. So I got this again and tried, it just worked like a charm. Hope they actually mentioned it on their product page so I wouldn’t have to return the first one. The cable length on this adapter is just right, not too long or too short when using with ROG ALLY (not hanging, since the cable is pretty sturdy, when I picked up the ROG ALLY, the adapter just comes along).
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Reviewed in the United States on August 18, 2025
S
Verified Purchase
Seth
Houston, US
★★★★★ 4
Reliable Hub That Gets the Job Done
Color: Blue, Color: Blue
Solid Anker USB C hub that does what it’s supposed to do. Ports work well and it’s easy to use right out of the box. Only downside is the hard plastic casing, it feels fine, but I could see it cracking if something heavy drops on it.
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Reviewed in the United States on February 23, 2026

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