Gleb1964's latest activity
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GGleb1964 reacted to Bandersnatch's post in the thread Undergrad Help Understanding the Hubble Constant's Units with
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As has been said, you can't get a velocity out of the Hubble constant, because its dimension is that of a frequency. I can appreciate... -
GGleb1964 replied to the thread Undergrad Different result with kinetic energy and momentum when a bullet hits a target.May it is better to assume that summary momentum of <bullet+target> concerved before and after collision.
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GGleb1964 reacted to kuruman's post in the thread Undergrad Different result with kinetic energy and momentum when a bullet hits a target with Like.
To begin with, this problem is absurdly unrealistic. A 123 kg bullet? The mass of a common 55 mm artillery shell is about 43 kg...