predator117
Answered

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A roller coaster is at the top of a 102 m hill and a mass of 120 kg. The coaster (at this
moment) has
energy.

Sagot :

  • Height=h=102m
  • Mass=m=120g
  • Acceleration due to gravity=g=10m/s^2

[tex]\\ \sf\longmapsto P.E=mgh[/tex]

  • P E means potential energy

[tex]\\ \sf\longmapsto P.E=102(120)(10)[/tex]

[tex]\\ \sf\longmapsto P.E=122400J[/tex]

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