Question

I need help on Momentum Practice problems aka physics. please help​

Answer 1

vi= 5m/s, Δp=56 kg*m/s, pf=96 kg*m/s

Step-by-step explanation:

vi:

p=mv

p/m=v

40/8=5 m/s

Δp:

m(vf-vi)

8*(12-5)

8*7=56 kg*m/s

pf:

m*vf

8*12=96 kg*m/s

Hope this helps