shajajashajak
shajajashajak shajajashajak
  • 01-03-2017
  • Physics
contestada

what is the mass of an object that creates 33750 J of energy by traveling at 30 m/s

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21SAVAGEEE
21SAVAGEEE 21SAVAGEEE
  • 01-03-2017
Answer: Mass of the object is  75 kg.
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osprey2015
osprey2015 osprey2015
  • 01-03-2017
travelling energy = kinetic energy = half m v squared.
33750=(1/2)m 30^2
33750=15x30m
3375=15x3m
m=75kg

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