Physics, 15.05.2021 23:10 Desireeloves8849
I need to find how hot a brass doorknob is after being touched by a blowtorch for 15 seconds. The heat of the blowtorch is 2400 degrees Fahrenheit and the weight of the doorknob is 2.67619 kg. The initial temperature of the doorknob is 72 degrees farenheit.
Answers: 3
Physics, 21.06.2019 16:30
The mass of a muon is 207 times the electron mass; the average lifetime of muons at rest is 2.21 μs. in a certain experiment, muons moving through a laboratory are measured to have an average lifetime of 7.04 μs. for the moving muons, what are (a) β (b) k, and (c) p? the rest energy of the electron is 0.511 mev.
Answers: 2
Physics, 22.06.2019 18:30
Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction
Answers: 2
Physics, 23.06.2019 10:10
·sound · parallel · mechanical · not a vacuum · needs a medium · compressions and rarefaction what type of wave is being described? a) compaction b) electromagnetic c) longitudinal d) transverse
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I need to find how hot a brass doorknob is after being touched by a blowtorch for 15 seconds. The he...
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