Answer:
25s
Explanation:
Given parameters:
Mass = 1000kg
Velocity = 10m/s
Force = 400N
Unknown:
Stopping time = ?
Solution:
To find the stopping time, we use Newton's second law of motion:
Ft = mv
F is the force
t is the stopping time
m is the mass
v is the velocity
400 x t = 1000 x 10
t = 25s