diketahui v1= 200 m/s, m1=10g dan m2= 5kg tentukanlah v2= pada momentum dan implus

MOMENTUM

p = peluru, s = senapan

vp = vs = 0
mp = 10/1000 = 1/100 kg
ms = 5 kg
vp' = 200 m/s
vs' = __?

HKM
mp vp + ms vs = mp vp' + ms vs'
0 = (1/100) • 200 + 5 • vs'
0 = 2 + 5 • vs'
vs' = -2/5 = - 0,4 m/s ← jwb