force × distance = work done
4200N × 1609m = 6,757,800Nm
2 is correct hope you get it right
For Girls it's called estrogen
For boys it's testosterone
They each do different things to the sex and they each come at different time periods of their lives.
Answer:
10 m/s
Explanation:
Momentum before collision = momentum after collision
m₁u₁ + m₂u₂ = m₁v₁ + m₂v₂
(8 kg)(8 m/s) + (6 kg)(6 m/s) = (8 kg)(5 m/s) + (6 kg) v
64 kg m/s + 36 kg m/s = 40 kg m/s + (6 kg) v
60 kg m/s = (6 kg) v
v = 10 m/s