Question

A big 7kg fish moving at 5m/s to the right eats a small 2kg fish moving at 3m/s to the left. What is the speed of the big fish after the small fish swims into the mouth of the big fish? TAKE THE LEFT AS THE NEGATIVE DIRECTION. (assume the system is closed and isolated)

A) 4.3m/s
B) -1.2 m/s
C) 3.2 m/s
D) 3.9m/s

Answer 1

Answer:

Wer wrt wet ety fgh dty dgh rth

Explanation:

fgh dgh fgh fgh to ygg