Chapter+3,+Section+6

Physics to Go:

1.

2.

Before After 6. (m1)(v1)+(m2)(v2)=(m1+m2)Vtotal

2000(3)+2000(2)= (2000+2000)Vtotal

6000+4000= 4000Vtotal

10000=4000Vtotal

V=2.5 m/s

7. m1v1+m2v2 = m1v1+m2v2

80(10)+100(8) =80v+100(9.78)

1600= 80v+978 622= 80v V=7.7 m/s