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supersaturate    
vt. 使过度饱和

使过度饱和

Supersaturate \Su`per*sat"u*rate\, v. t.
To add to beyond saturation; as, to supersaturate a solution.
[1913 Webster]


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  • Section 15 – Freefall with Air Resistance - CSU Chico
    We assumed the force of air resistance was proportional to the velocity, The Force of Air Resistance F d = bv, where b is the coefficient of air resistance which depends upon the size and shape of an object as well as the properties of the fluid through which it is moving
  • Free Fall and Air Resistance - The Physics Classroom
    Falling in the presence and in the absence of air resistance produces quite different results In this Lesson, The Physics Classroom clarifies the scientific language used I discussing these two contrasting falling motions and then details the differences
  • Free Fall Motion: Explanation, Review, and Examples
    Velocity-Time Graph for an Object in Free Fall As an object falls, its velocity increases due to the acceleration of gravity This means that the velocity starts slow and steadily increases in the downward direction The graph below shows the velocity-time for an object in free fall:
  • Motion of a falling object with air resistance
    I was wondering how you would model the velocity of a falling object, taking into account air resistance Bear in mind I have only studied basic calculus, and have no experience with differential equations Considering a general solution for mass $m$ and drag $kv^2$, where $k=\frac{1}{2} \rho AC_D$ Let's say that when $t=0$, $v=0$
  • Falling Object with Air Resistance - Glenn Research Center
    We can do a little algebra and solve for the acceleration of the object in terms of the net external force and the mass of the object: a = F m Weight and drag are forces which are vector quantities The net external force is then equal to the difference of the weight and the drag forces: F = W − D The acceleration of the object then becomes:
  • EXP. (5) “Air Resistance”
    • Determine how the terminal velocity of a falling object is affected by air resistance and mass • Choose between two competing force models for the air resistance on falling coffee filters
  • Example 8. 12 Free Fall with Air Drag - MIT OpenCourseWare
    Consider an object of mass m that is in free fall but experiencing air resistance The magnitude of the drag force is given by Eq (8 6 1), where ρ is the density of air, A is the cross-sectional area of the object in a plane perpendicular to the motion, and C is the drag coefficient
  • Free fall – velocity and distance (L-4) Free fall, review
    Falling from the Sears Tower • After 5 seconds, the ball falling from the Sears Tower will have fallen distance = ½ •32 ft s2 •(5 s)2 = 16 •25 = 400 feet • We can turn the formula around to figure out how long it would take the ball to fall all the way to the ground (1450 ft) Ætime = square root of (2 x distance g) Look at below
  • Explanation that air drag is proportional to speed or square speed?
    A falling object with no initial velocity with mass $m$ is influenced by a gravitational force $g$ and the drag (air resistance) which is proportional to the object's speed By Newton´s laws this can be written as: $mg-kv=ma$ (for low speeds) $mg-kv^2=ma$ (for high speeds)
  • 13 Air Resista - Education Technology
    ¥ Observe the effect of air resistance on falling coffee filters ¥ Determine how air resistance and mass affect the terminal velocity of a falling object ¥ Choose between two competing force models for the air resistance on falling coffee filters





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