Answer:
F = 352 N
Explanation:
we know that:
F*t = ΔP
so:
F*t = M[tex]V_f[/tex]-M[tex]V_i[/tex]
where F is the force excerted by the wall, t is the time, M the mass of the ball, [tex]V_f[/tex] the final velocity of the ball and [tex]V_i[/tex] the initial velocity.
Replacing values, we get:
F(0.05s) = (0.8 kg)(11m/s)-(0.8 kg)(-11m/s)
solving for F:
F = 352 N
