'grav
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study the free body diagram above. which scenario below can best be described with this free body diagram?
a)
a cup is at rest on a table.
a car coasts down a hill.
a child drops a penny from the top of a building. neglect air resistance.
a bartender slides a glass of beer to a patron at the end of a bar. neglect
air resistance
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motion
ws 7 professional

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