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Sarah is demonstrating the gravitational force on falling objects to her class. she drops an 11 lb. bowling ball from the top of the science building. determine velocity of the bowling ball after falling for 3.0 seconds assuming it has reach free fall and given the gravitational acceleration of 9.8 m2/sec.
a. 3.3 m/sec
b. 15 m/sec
c. 29 m/sec
d. 44 m/sec

Respuesta :

MissPhiladelphia
c. 29 m/s

Basing on the information given, we can compute for the velocity with the following
Mass = 11 lb. convert to kg = 5 kg
Gravity = 9.8 m/s2
Time (final) = 3.0 s

v= at
v =  9.8m/s2(3.0s) 
= 29.4 m/s
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