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How to calculate the friction of a ship on the water

Publish: 2021-05-24 16:22:33
1. First of all, it depends on the way it moves, whether it accelerates, decelerates or moves at a constant speed. If it accelerates, it has nothing to do with others. Use F= μ FN to find the maximum static friction force, or use f = Ma to find the sum of external forces, and then use orthogonal decomposition (see topic conditions). If the velocity is uniform, then the force in the same direction after orthogonal is equal, or use f = Ma to find the sum of external forces= μ If the method of decelerating is basically the same as that of accelerating, there are some differences in the addition and subtraction after decomposition Note: maximum static friction ≈ sliding friction]
2. Hello! The common shortcut keys for cheetah are as follows: Ctrl + W close the current tag Ctrl + R or F5 refresh Ctrl + T new tag Ctrl + D favorite website Ctrl + F / g or F3 page search Ctrl + H history Ctrl + L or F4 or F6 enter URL Ctrl + B hide favorite bar Ctrl + n open another browser Ctrl + Tab switch tag Ctrl + m page snapshot F1 enter cheetah forum Ctrl + s page save as CTR L + U view code F11 full screen F12 development tool Ctrl + number key can switch the current tag Ctrl + Shift + W close all tags Ctrl + Shift + t open the web address in the collection Ctrl + 0 can say that the zoomed web page is directly restored to 100%. As for the font size, you can press and hold Ctrl and then scroll the mouse wheel to adjust. Hope to help you! If you still have any questions, you are welcome to ask questions to Jinshan network enterprise platform
3. Shiqiaopu can take subway line 1 to Daping station and transfer to light rail line 2. Get off Zeng Jiayan and cross the underground passage. The cost is about 4 yuan
4.

You try this: manually open WiFi

before using this method to open WiFi, first uninstall the installed third-party application

1. Set the network card according to the picture, and add: 802.11d is set to disable

2. Run CMD in administrator mode

3. Enter network WLAN set hosted network mode = allow SSID = TP-LINK_ 49f3e8 key = 12345678 @

123 mode is whether the bearer network is disabled, allow is enabled, disallow is disabled; SSID is the wireless name of your WiFi transmitter,

key is your WiFi password

4. At this time, your bearer network has been set up. Enter Netsh WLAN start hosted network to start the bearer network. When you stop transmitting WiFi, enter Netsh WLAN stop hosted network to stop transmitting WiFi

5, Then click attribute, point sharing, point enable

select a private network connection below, and click & quot; Local connection * 13 & quot; Add: if WiFi is not used completely or for a long time, you need to disable the wireless network card transmitting WiFi, administrator identity CMD, enter Netsh WLAN set hosted network mode = disallow

very detailed, please adopt! Thank you

5. Transfer once
107 km, 5 hours and 34 minutes, walk 500 meters, The total price is 2.0 yuan

Wansheng bus station, 20 meters walk
Wansheng bus station,
327 Expressway (after 1 stop | 96.6 km | 4 hours and 38 minutes)
Nanping, 20 meters walk
Nanping, 364 (after 12 stops | 9.4 km | 47 minutes)
Shiqiaopu, 460 meters walk to
Atlantic international,

the total distance is 106 kilometers Taxi: about 135 yuan
6.

bus line: Rail Transit Line 1 → rail transit line 3 → rail transit line 6 → Guobo line, the whole journey is about 27.2km

1. Take Rail Transit Line 1 from Shiqiaopu, pass 5 stops, and reach LiangLuKou station

2. Walk about 60m, then transfer to rail transit line 3

3. Take rail transit line 3, pass 4 stops, and reach hongqiegou station

4 Take rail transit line 6, pass 8 stops to Lijia station

5, take Guobo line, pass 1 stop to happy valley station

7.

There are five exits at Shiqiaopu station of Chongqing Light Rail Line 1, and the exit points are as follows:

8. Formal, pkex pays attention to compliance, has obtained cooperation with local regulatory agencies of overseas countries, and has many overseas compliance licenses such as Philippines and MSB of the United States.
9. Unknown_Error
10. Please provide data before accounting! Example: total investment, monthly estimated passenger flow and consumption level, monthly estimated changes and fixed expenses, taxes and other data!
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