37.8k views
0 votes
a net external force of 100.0 N acts on an object of mass 20.0 kg whose initial speed is 10.0 m/s. The force acts in the opposite direction from the objects motion, and it acts for 1.00 s. what is the objects final speed in m/s

User ProxyTech
by
5.5k points

1 Answer

2 votes

Step-by-step explanation:

We know that :


F = m((v - u))/(t)


100 = 20 ((v - 10))/(1)


v(final \: velocity) = 15 \: m \: sec^( - 1)

User Chauncy Zhou
by
5.1k points