A200-gram liquid sample of alcohol y is prepared at -6°c. the sample is then added to 400 g of water at 20°c in a sealed styrofoam container. when thermal equilibrium is reached, the temperature of the alcohol-water solution is 12°c. what is the specific heat capacity of the alcohol? assume the sealed container is an isolated system. the specific heat capacity of water is 4.19 kj/kg · °c. 3.72 kj/kg · °c
4.14 kj/kg · °c
4.88 kj/kg · °c
3.14 kj/kg · °c

answer: i don't know the answer good luck

explanation:

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

can somebody give me the answer so i can graduate