Question

answer guys fast please

Answer 1

Answer:

3ms-1

Explanation:

this is the change in velocity

Answer 2

Answer:

6 m/s

f = 15

m = 5

we knw, f = ma

ie, a = f/m = 15/5 = 3

also, a = v/t

given t = 2 sec

therfre, v = at = 3 × 2 = 6 m/s