zaaaariaaaa zaaaariaaaa
  • 31-01-2017
  • Physics
contestada

While skateboarding at 19 km/h, Alana throws a tennis ball at 11 km/h to her friend Oliver. If Alana is the reference frame, the speed of the tennis ball is km/h.

Respuesta :

hugh1 hugh1
  • 31-01-2017
8 km/h I think good luck if it's wrong
Answer Link
alanisjuvera10188 alanisjuvera10188
  • 04-03-2019

the answer is 11 km/h ... i just took the test

Answer Link

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