reema58 reema58
  • 25-09-2020
  • Mathematics
contestada

A skater having a mass of 80 kg is skating with a velocity of 70 m/s when he hits another skater who is not moving. After colliding, the skaters start to drift together with a velocity of 40 m/s. Find the mass of the skater who was not moving.

Respuesta :

jwithey
jwithey jwithey
  • 25-09-2020

Answer:

the mass is 75 kg

Step-by-step explanation:

80 KG

70m/s times forty=2800 divided by 80=35 +40=75

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