(a) The mass m of an object is proportional to its volume V:m= kV. What are the SI units of k? (b) If the distance d an object moves in time t is given by the equation d= At?, find
the SI units of A. (c) If the speed v of an object depends on time t according to the
equation v= A + Bt + Ctº, what are the SI units of A, B, and C?

whichever one it is, it's definitely not one that you included on the list you provided.

you have to draw the persons position over there

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

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