The symbol of area in Physics
S is the surface area
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- 1. How many horsepower is 1kW per liter
- 2. Let f (x) be a parabola, and when the point (x, y) is on the parabola image, the point (x, y ^ 2 + 1) is on the image of the function g (x) = f (f (x)), the analytic expression of G (x) is obtained Given (x-1) f ((x + 1) / (x-1)) + F (x) = x, where x ≠ 1, find the analytic expression of the function
- 3. - 1 / 2.2/5. - 3 / 10.4/17
- 4. Find the law - 1 / 2,2 / 5, - 3 / 10,4 / 17, Give me rules
- 5. Regular filling: 9 4.5 2.25 () ()
- 6. If there is a column number: 1 / 3, 1 / 2, 5 / 9, 7 / 12, 3 / 5, 11 / 18, 13 / 21, then the 2008 score is ()
- 7. One column number 1, - 3,5, - 7,9,11, - 13 What is the 100th number in the tree? Better have a process! thank you
- 8. A column number 1, negative 3,5, negative 7,9, negative 11,13, then what is the 100th number in the column number?
- 9. 1,-3,5,-7,9,11,-13…… What is the 100th number in this column?
- 10. The following set of numbers are arranged in regular order: 1, 2, 4, 8, 16. The 2014 number is ()
- 11. The ratio of the resistance value of the two resistors is 1:2. If they are connected to the circuit in series, the ratio of voltage is? The ratio of electric power is? The ratio of electricians in the same time? In parallel
- 12. How many kilowatts is a kilovolt ampere What about the formula?
- 13. How many kilowatts is 1p equal to
- 14. Measure resistance with voltmeter and ammeter 1. Measure the resistance of the small light bulb when it normally emits light by voltammetry (only once) 2. Adjust the sliding rheostat to make the small bulb glow under the rated voltage 3. Fill the measured value in the table and calculate the resistance Laboratory equipment: There are 3 dry batteries, 1 switch, 1 voltmeter, 1 current expression, 1 sliding rheostat (20 Ω), 1 small bulb (3.8V) and dry root of wire
- 15. When a power supply is connected with 8 ohm resistor, the current passing through the power supply is 0.1 a
- 16. A light bulb is marked with pz220-40, which is connected to the home circuit. Its rated power is the actual power
- 17. How many kilowatts per hour
- 18. A resistance marked "1K ohm, 10W", the maximum current allowed to pass is_____ The maximum voltage allowed to be applied to both ends of the resistor is. When the voltage at both ends of the resistor is 40V, the actual power consumed is. (it is assumed that the resistance does not change with temperature)
- 19. In a circuit, the maximum range of the ammeter is a ampere, and the voltage is B volt. There is a variable resistor Rx. Q: how to expand the range of the ammeter ten times
- 20. The ratio of electric power to current voltage resistance in parallel circuit P1:P2=_____ ( I ) ______ ( U ) ————( R ) Just give me the alphabet. No text