There are several pressure formulas in physics How many physical formulas about pressure are there?
Formula: P = f / s, P pressure, f pressure, note that s is the area under force. The calculation formula of liquid pressure is p = ρ GH, P pressure, ρ density, g = 9.8n/kg (acceleration of gravity), note that h is the height from the liquid surface
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- 1. What is the physical pressure formula
- 2. Junior high school physics, pressure There is a beaker with a volume of 1000ml and a volume of 200ml. At this time, the pressure and pressure of water on the bottom of the beaker is f, P, and the pressure and pressure of the cup on the table top is f1.p1. When a piece of wood is put in, the pressure and pressure on the bottom of the beaker and the table top are calculated, Thank you, it's better to have a detailed analysis
- 3. Pressure formula of the third year of junior high school What about the pressure
- 4. At 1, 2, 3 , 200620072008, add "+" or "-" arbitrarily before, and calculate in order. Can the sum of these numbers be equal to 2008?
- 5. At 1, 2, 3 Add "+" - "before, 2006, 2007, 2008 and calculate in order, will the result be equal to 2008
- 6. What is one plus two plus three plus four plus five all the way to 100 Add with the beginning and end
- 7. The second power of (a-b) - (a-b) - 2 is equal to?
- 8. When n is odd, H = 3N + 13, when n is even, H = NX1 / 2x1 / 2 Where h is an odd number. How many times does 7 equal after 2010?
- 9. Read in even numbers (c), and some of the odd number of integers for the end of the language
- 10. To make the output value y greater than 100, what is the minimum positive integer x? Even number * 5 of positive integer equals output y; odd number * 5 + 13 of positive integer x equals output y
- 11. Science, physics and Computing A lamp is connected to the lighting circuit and the current is 68 ma Ask for: 1. What is the power of the lamp? 2. Power on for 3 hours a day, 30 days a month, how much power?
- 12. What do f = SP, s and P stand for in science
- 13. Work formula P = w / t time formula w = P * t power formula t = w / P
- 14. Calculation of physical pressure When the cubes A and B made of the same material are placed on the horizontal plane, the pressure of a and B on the desktop is P1 and P2 respectively. When a is placed on top of B, the pressure of B on the desktop is: [cube A is bigger than cube B, and its surface area is a little larger than cube b]
- 15. In pressure calculation, P = f / s, f means pressure. How to calculate pressure?
- 16. What is n in physical P = (FS) △ t = FV = nfv?
- 17. What does the physical formula s = 1 / 2at ^ 2 + VT + (12-t) × (V + at) mean What does this formula mean and what does it represent? Original title: A. B two cars drive in the same direction on the straight road. When B is 84m ahead of a, the speed of B car is 4m / s, and the acceleration of B car is 2m / s *. After a period of time, the acceleration of B car becomes 0. But a car has been moving at a constant speed of 20m / s, and after 12s, the two cars meet. What is the acceleration time of B car?
- 18. Given VT and a and s, the formula of initial velocity
- 19. F = PS = ρ GHS = ρ VG = mg this should be the conversion formula of liquid pressure? Can it be used in solid matter? But there is h
- 20. What is the meaning of the formula that V equals s of T?