Try liters if you haven’t done it yet. I’m so sorry if i’m incorrect.
Answer:
Final velocity of both goalie & puck = 0.018116 m/s
Explanation:
M1U1 + M2U2 = (M1+M2)V
70 x 0 + 0.17 x 33.5 = (70+0.17)V
V = 0.08116m/s
Momentum of the wagon increases by (200 x 3)
= 600 newton-sec
= 600 kg-m/sec
2.36 x 10^-1
You move the decimal to right behind the first significant digit and the exponent on the 10 is how many places you moved that decimal. You can type it into a calculator to check it as well if you're not sure.
