In fluid dynamics, drag is a force acting opposite to the relative motion of any
object moving with .... falling in
Is it because they all weigh the same? ... because they all have the same gravity?
... because the
The velocity dependence may be very complicated, and only special cases can
be treated analytically. At very low speeds for small particles,
Sep 10, 2010
Calculates the free fall distance and velocity with
Analyze the forces of gravity and
We will assume the realistic situation that both feather and elephant encounter
An object that is falling through the atmosphere is subjected to two external forces. The first force is the gravitational force, expressed as the weight of the object, ...
Sep 29, 2015