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  • 16-12-2020
  • Physics
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a ball is dropped from the top of a building. What is the velocity of the ball after 4.2 seconds

a ball is dropped from the top of a building What is the velocity of the ball after 42 seconds class=

Respuesta :

s303922 s303922
  • 16-12-2020

Answer:

41.16 m/s

Explanation:

Final velocity is equal to gravity multiplied by time; v = gt

Gravity is always 9.8 m/s/s (m/s^2), so

v = 9.8 * 4.2

v = 41.16

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