Lillie is running. She increases her initial speed of 30 km/h to 40 km/h so she can win the race. If she takes 0.05 hours to com
plete this increase, what is her acceleration? Use the following formula:
Variable
Equation
Solve
Variable
Equation
Solve
1 answer:
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Answer:
DL = 1.5*10^-4[m]
Explanation:
First we will determine the initial values of the problem, in this way we have:
F = 60000[N]
L = 4 [m]
A = 0.008 [m^2]
DL = distance of the beam compressed along its length [m]
With the following equation we can find DL
Note: The question should be related with the distance, not with the diameter, since the diameter can be found very easily using the equation for a circular area.