Answer:
Explanation:
a) see picture
b) Δp = Δmv = 0.5 kg * (-0.3m/s - (0.4m/s)) = 0.5kg * -0.7 m/s = -0.35 kgm/s
c)yes
[tex]I=\int\limits^a_b {F} \, dt=\int\limits^a_b {m\frac{dv}{dt} } \, dt=\int\limits^a_b {m} \, dv =\int\limits^a_b {} \, dp=p|^a_b= (p(a) -p(b))[/tex]
