The formula for momentum is mass times velocity. Simply, we just multiply the given values:
p = mv
p = 40 kg x 4 m/s
p = 160 kg m/s
Other units for momentum is N s.
p = 160 N s
The cats resting points are D and E, because the line is flat. meaning no change in movement is occurring, so the cat is resting. And that means answer choice C, is correct!
Answer:
It is number two
Explanation:
beacause a star cluster is a bunch of stars held together by gravity