EXAMPLE 3: THE LINEAR IMPULSEMOMENTUM RELATION

A
projectile of mass m=10 kg having an initial velocity of _{} m/s is subjected to a
horizontal wind force as shown in the figure. Calculate the projectile’s velocity
just after the wind has ended.

Solution:
Linear
impulsemomentum relation:
_{}
_{}
_{}
_{}
_{}
Substitution
into (1) gives:
_{}
_{}