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comment To what depth can a whirlpool descend & would a barrel save you being pulled down?
I would guess the right answer contains (in)compressibility.
Aug
23
reviewed Leave Open Is it possible to vary the value of G and the masses of celestial bodies leaving equal G*M?
Aug
23
reviewed Close Wanted: simple physical representation of the influence of payload onto car tires
Aug
23
reviewed Close Work done by friction in accelerated frames of reference
Aug
23
reviewed Close Are time and space interchangeable?
Aug
23
reviewed Reopen How can the Hubble telescope see the light from galaxies that are millions of light years distant?
Aug
23
reviewed Close Projectile motion velocity
Aug
23
reviewed Close Differences in measurement between quantum physics and classical physics?
Aug
23
reviewed Close What is the physics in a balero toy?
Aug
23
comment The pressure in a container of water is based on depth. So what happens if I remove the bottom of the container?
@sonicboom If you consider the container only, you will have to account for the mass flowing out as well. Think of what your control volume for the balance equation is.
Aug
23
comment The pressure in a container of water is based on depth. So what happens if I remove the bottom of the container?
Maybe a good analogy is weightlessness in free fall.
Aug
22
reviewed Reject Can the lightning be captured and used as power source?
Aug
17
reviewed Close What is the wavelength of a hot metal when its temperature 400 C?
Aug
17
reviewed Close Projectile motion problem
Aug
17
reviewed Approve When drying paint brushes washed with water, which way is the best to orient them?
Aug
16
reviewed Approve Does fire have an influence on the weight of a burning object?
Aug
16
reviewed Approve Why is any number divided by 0 is infinite?
Aug
15
reviewed Reject Electric potential of a sphere at a point on its surface
Aug
15
reviewed Leave Open Calorimetry - Emitted Joules
Aug
15
reviewed Leave Open Confusion about the resonance