what is twice the initial velocity of -0.50 m/s out of negatives?

Answer 1

Twice the initial velocity of -0.50 m/s can be calculated by multiplying -0.50 m/s by 2:

2 * (-0.50 m/s) = -1.00 m/s

So, twice the initial velocity of -0.50 m/s out of negatives is -1.00 m/s.