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**1**+ x^2) dy/dx + 3xy = 5x Separate the variables and integrate: dy / (5-3y) = xdx / (**1**+x²) Integrating the left side: ∫dy / (5-3y) u=5-3y du=-3dy - ...3 Answers · Science & Mathematics ·

**1****1**/08/20**1****1**Prefixes for any unit pico 10 to the power of -12 =

**1**/**1**,000,000,000,000 nano 10 to the power of -9 =**1**/**1**,000,000...**1**nm = 0.000 000 001 metres**1**nm = 0.000 000 000 001 kilometres**1**nm = 0.000 000...**1****1**Answers · Science & Mathematics · 04/07/2008...height of the bottom of the mirror from the ground, By geometry x/3.2 =

**1**.5 / 6.4 x = 0.75 m i.e. half his foot to eye height...**1**Answers · Science & Mathematics · 22/04/20**1**0**1**% the speed of light = 2,997,924.58 meters/sec mach**1**= 340.29 meters/sec 2,997,924.58 meters/sec...you wind up with: 2,997,924.58 meters/sec x (mach**1**/ 343 meters/sec) = ( 2,997,924.58 x**1**) / (343) = 8740...3 Answers · Science & Mathematics ·

**1****1**/0**1**/20**1**3**1**mega meter is 10^6 meters or 10^3 km5 Answers · Science & Mathematics · 26/04/2008

**1**.0 * 10^14 is the correct answer, if this were a problem bases on...in the factor which has the least number of significant digits.**1**.209*10^6 has 4 significant digits 8.4*10^7 has 2 significant...3 Answers · Science & Mathematics ·

**1**3/02/20**1**2It becomes

**1**when you choose to use a system of units in which e=**1**.... You probably mean: e^x =**1**, then x=0.6 Answers · Science & Mathematics · 06/06/20

**1****1****1**. A simple machine is a mechanical device that changes the direction or magnitude of a force. 2. There... to either hold them in place or is used to move one relative to the other EXAMPLES:**1**.pulleys-----engines 2.levers-------seesaw 3.wheel and axels------gears 4.inclined...**1**Answers · Science & Mathematics · 07/07/20**1****1****1**. a. Acceleration is 20 m/s / 5 s = 4 m/s^2**1**.b. Decelaration is -20 m/s / 2 s = -10 m... speed (40m/s + 0 m/s)/2 = 20 m/s 2.c. d=**1**/2at^2 =**1**/2.8.5^2 = 100m 3. d=**1**/2at^2 + vt v= v0 + at 150 =**1**...**1**Answers · Science & Mathematics ·**1**6/0**1**/2007**1**. H₂O =**1**8 gram/mole Number of moles of water in**1**g of water:**1**/**1**8 mole Number of water molecules in**1**g of water...2 Answers · Science & Mathematics · 26/

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