alexisivy2 alexisivy2

03-12-2020
Physics

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If a ball that is freely falling has attained a velocity of 19.6 m/s after 2 seconds,
what is its velocity 5 seconds later?

If a ball that is freely falling has attained a velocity of 196 ms after 2 seconds what is its velocity 5 seconds later class=

Respuesta :

mberisso mberisso

03-12-2020

Answer:

68.6 m/s

Explanation:

Recall that the velocity formula to use for accelerated motion due to gravity (g) is:

vf =vi + g * t

so if 19.6 m/s is the initial velocity for the free falling object, then, 5 seconds later under the acceleration of gravity (g) :

vf = 19.6 + 9.8 * (5) = 68.6 m/s

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