Hello!

This question is about the function:

v = 50 - 50e^(-0.2t), t is bigger or the same as 0.

v is in metres per second and t is in seconds.

The problem is to find:

a) i- an expression for the acceleration, a, as a function of t.

ii - What is the value of a when t = 0?

also,

d) Let y metres be the distance fallen after t seconds.

i) show that y = 20t + 250e^(-0.2t) + k, where k is a constant.

I would appreciate your help,

best wishes Amine