A model rocket is constructed with a motor that can provide a total impulse of 27.0 N·s.?
A model rocket is constructed with a motor that can provide a total impulse of 27.0 N·s. The mass of the rocket is 0.162 kg. What is the speed that this rocket achieves when it is launched from rest? Neglect the effects of gravity and air resistance.
More Questions From This User See All
Answers & Comments
Verified answer
Vf = F*t/m = 27.0/0.162 = 166.(6) m/sec
...
impulse = change in momentum
F delta(t) = m delta(v)
27.0 = 0.162 (Vf - 0) = 0.162 Vf
Vf = 167 m/s
When you get a good response,
please consider giving a best answer.
This is the only reward we get.
You may have to wait an hour to award BA.