According to momentum conservation
15*3 = 45kgm/s
and the velocity of 5 kg mass will be
45/5 = 9 m/s
B: Extension Lines! You could have just searched this up on google
Answer:
My answer is 250m/sec
Explanation:
the formula is clearly
Speed = <u>Distance</u>
Time
Speed = <u>5</u><u>0</u><u>0</u><u>m</u><u>e</u><u>t</u><u>e</u><u>r</u><u>s</u><u> </u> (Divide the two)
2seconds
Speed = 250m/sec
Because it’s cheaper and efficient
