Recent content by iKNOWyouDO

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    Arches of the foot in humans...?

    Explain why the arches of the foot are adaptive for humans. Please help!
  2. I

    A flash unit for a camera has a capacitance of 1275 µF...?

    A flash unit for a camera has a capacitance of 1275 µF...? A flash unit for a camera has a capacitance of 1275 µF. What resistance is needed in this RC circuit if the flash is to charge to 80% of its full charge in 21.4 s? ____ k?
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    A spy camera is said to be able to read the numbers on a car's license plate...?

    If the numbers on the plate are 3.4 cm apart, and the spy satellite is at an altitude of 120 km, what must be the diameter of the camera's aperture? (Assume light with a wavelength of 550 nm.)
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    find the exact value of the following expression!?

    (sin^-1)(1) =?
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    A sample of pure water is initially at atmospheric pressure and has a

    temperature that is just below the...? freezing point. Suppose that the pressure of the sample is increased while the temperature is held constant. What phase changes occur now? melting evaporation condensing freezing sublimating gas to solid none of these
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    Jill of the Jungle swings on a vine 7.3 m long...?

    What is the tension in the vine if Jill, whose mass is 61 kg, is moving at 2.3 m/s when the vine is vertical?
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