Madeli5ninhaRivking Madeli5ninhaRivking
  • 01-04-2017
  • Physics
contestada

The acceleration of gravity on earth is approximately 10 m/s2 (more precisely, 9.8 m/s2. if you drop a rock from a tall building, about how fast will it be falling after 3 seconds?

Respuesta :

malucia
malucia malucia
  • 12-04-2017
from the equation;
a= -1÷2gT2
a= -5×3(3)
a= -45m/s
it will drop about -45m/s2.
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