The volume of the tank is 1000 L. From earlier experiments it has been determined that 120 grams of new yeast are produced for each kilogram of nutrient that is consumed. In two separate trials, the system is allowed to reach equilibrium. In both trials the nutrient concentration of the inflow is 0.2 kg/L. In the first trial the inflow rate is 1 L/hr, and the system reaches an equilibrium population with 23.5 kg of yeast in the tank. In the second trial the inflow rate is 10 L/hr, and the system reaches an equilibrium population with 15.7 kg of yeast in the tank. What are the values of the constants a and R

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the minimum constant speed at which she can catch the train is 2.7 m/s

given:

acceleration = 0.6

time = 4.5 s

to find:

velocity = ?

formula used:

from 1st kinematic equation we get,

v = u + at

u = initial speed of train = 0 m/s

v = final speed of the train

a = acceleration of the train

t = time

solution:

from 1st kinematic equation we get,

v = u + at

u = initial speed of train = 0 m/s

v = final speed of the train

a = acceleration of the train

t = time

v = 0 + (0.6 × 4.5)

v = 2.7 m/s

the minimum constant speed at which she can catch the train is 2.7 m/s