carid00 carid00
  • 06-02-2015
  • Physics
contestada

A 200 g model rocket is observed to rise 100 m above the ground after launch. What must have been the launch speed of the rocket at the ground?

Respuesta :

Аноним Аноним
  • 06-02-2015
Conservation of Energy

[tex]Eki + Epi = Ekf + Epf\\ \frac{1}{2} mv^2 + 0 = 0 + mgh\\ v= \sqrt{ 2gh} =\sqrt{ 2(9.8)(100)}\\ v=88.5 m/s[/tex]
Answer Link

Otras preguntas

Why might someone choose to use the the y-intercept and the slope to graph a line?
Oversight and public education are examples of what type of Congressional functions?
What's 24 ten thousands renaming
there are 7 gray kittens. 2 kittens are black. how many fewer black kittens are there than gray kittens?
What was significant about the creation of the Dominion of New England?
What is the exponent on 10 when you write 5.3 in scientific notation
The swift population rise in the last 2,000 years was caused by an increase in
The idea that the law should apply to everyone equally is called what?
One way to determine which details to include in your comparison-and-contrast essay is to
a couch sells for $1260. instead of paying the toatl amount at the time of the purchase, the same couch can be brought by paying 400 down and 80 a month for 12