printBIZ
printBIZ printBIZ
  • 12-01-2021
  • Physics
contestada

In what speed does an object fall, if after 10 seconds it hits the surface of Earth?​

Respuesta :

quasarJose
quasarJose quasarJose
  • 12-01-2021

Answer:

98m/s

Explanation:

Given parameters:

Time  = 10s

Unknown:

Final speed  = ?

Solution:

To solve this problem, we use the expression below;

          v  = u + gt

v is the final velocity

u is the initial velocity  = 0m/s

g is the acceleration due to gravity  = 9.8m/s²

t is the time

   so;

         v = 0 + 9.8 x 10  = 98m/s

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