cmarie3143 cmarie3143
  • 09-01-2024
  • Physics
contestada

A ball, thrown vertically upward, is observed to move upward with a speed v1​ at time t1​ and a speed v2​, downward, at time t2​. The average velocity of the ball during the motion is (downward):
1. v2​−v1​​/2
2. v2​+v1​​/2
3. v2​−v1​
4. v2​+v1​

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