Asked by Diane
1. NASA launched a 550kg satellite into space. Its engines have a thrust of 8000N.
a) What is the downward froce of gravity acting on the rocket at blast off? (is it 5390N?)
b) What is the acceleration of the rocket at blast-off? (Hint: Fine Fnet first)
2. A planet has a mass of 6.0x10^23kg. The force of gravity acting on a 2kg surface of the planet is 960N. What is the radius of the planet?
a) What is the downward froce of gravity acting on the rocket at blast off? (is it 5390N?)
b) What is the acceleration of the rocket at blast-off? (Hint: Fine Fnet first)
2. A planet has a mass of 6.0x10^23kg. The force of gravity acting on a 2kg surface of the planet is 960N. What is the radius of the planet?
Answers
Answered by
bobpursley
1a correct
b. fnet=ma
8000-5390=ma solve for a
2. 960=G*Mp*2/r^2 solve for r.
b. fnet=ma
8000-5390=ma solve for a
2. 960=G*Mp*2/r^2 solve for r.
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