lili5314 lili5314
  • 09-03-2022
  • Physics
contestada

What has more KE a 2 kg mass at 10 m/s or a 20 kg mass at 3 m/s?

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buttbeg
buttbeg buttbeg
  • 09-03-2022
KE = 1/2mv^2
for 2 kg mass:
KE = 1/2*2*10^2
= 100 J
for 3kg mass:
KE = 1/2*3*20^2
= 600 J
3kg object has more KE
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