ameerpeacox22 ameerpeacox22
  • 25-08-2020
  • Physics
contestada

A man dropped a dime in a wishing well, he heard it 10 sec later Find velocity on impact

Respuesta :

hamzaahmeds
hamzaahmeds hamzaahmeds
  • 30-08-2020

Answer:

Vf = 98 m/s

Explanation:

The dime is in a free fall motion under the influence of gravity. For the final velocity of the dime, we use 1st equation of motion here:

Vf = Vi + gt

where,

Vf = Final Velocity = ?

Vi = Initial Velocity = 0 m/s (Since, the initially the dime was at rest)

g = acceleration due to gravity = 9.8 m/s²

t = time taken = 10 s

Therefore, using these values, we get:

Vf = 0 m/s + (9.8 m/s²)(10 s)

Vf = 98 m/s

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