BEFORE AFTER
m
M M
MASS, M, MOVES HORIZONTALLY
AT V = (+20 m/s † +03) WHEN AN
INTERNAL EXPLOSION CAUSES IT TO
BREAK APART INTO 2 UNEQUAL PIECES.
mi 7.0 KG AND Ys=(16+123). m/s.
mq 25.0KG
DURING THIS EVENT
NO MASS IS LOST.
BANG
ma
*725
7) USING THE PROPER PHYSICS LAW, FIND THE FINAL VELOCITY FOR ME
125 E QUALS:
(A) (25.6. - 16.83) m/s (B) (25.67 - 12.0 m/s
(c) (16.81
- 12.03.) m/s
(D) (16.8 - 25.63.). Ms
8) THE AMOUNT
OF
ENERGY PRODUCED BY THE EXPLOSION IS CLOSEST TO :
(A) +375 J
(B) + 650 J
(C) + 850 J
CD) +1075J
(E) + 1350 J
(F) NONE
OF THESE ANSWERS ARE WITHIN
200 J
OF THE CORRECT ANSWER