- #1
baylorbelle
- 14
- 0
What is the launch speed of a projectile that rises vertically above the Earth to an altitude equal to 8REarth before coming to rest momentarily?
I think the formula for this problem is 1/2 mv2-G(mME/RE)=G(mME/2RE); I cancel out the m because it is in every variable; but whenever I plug in the numbers, I get a huge answer (about 13000 or 14000m/s) but my book says the answer should be 7.6m/s. Where am I going wrong in my formula?
I think the formula for this problem is 1/2 mv2-G(mME/RE)=G(mME/2RE); I cancel out the m because it is in every variable; but whenever I plug in the numbers, I get a huge answer (about 13000 or 14000m/s) but my book says the answer should be 7.6m/s. Where am I going wrong in my formula?