a. V = Vo + g*t = 0.
9 + (-3)t = 0,
t = 3 s.
b. V^2 = Vo^2 + 2a*d = 0.
9^2 + (-6)d = 0,
d = 13.5 m.
The maximum retardation of a lift is 3m/s squared. Calculate the shortest time required to bring it to rest from a speed of 9m/s. What is the distance travelled in this timr
2 answers
what is vo and a?
4 answers