An Earth satellite in close orbit circles Earth in about an hour and a half. How long would a satellite located as far away as the Moon take to orbit Earth?
A) the same hour and a half
B) less than an hour and a half
C) about 28 days
D) need more information
E) none of the above
Answer: C
You might also like to view...
Venus is almost the same size, mass, and density as the Earth
Indicate whether the statement is true or false
What does the CNO cycle and the hydrogen proton-proton cycle have in common? Choose the best answer to the question
A) They both trigger at the same temperature. B) They both are ways to fuse hydrogen nuclei to make helium. C) They are both cycles in star lives. D) They are both nuclear reactions; the CNO cycle makes carbon, nitrogen, and oxygen, and the proton cycle makes helium.
A 100-N force has a horizontal component of 80 N and a vertical component of 60 N. The force is exerted to a cart on a level frictionless floor. The cart starts from rest and moves 2.0 m horizontally along the floor due to this force
What is the cart's final kinetic energy? A) 200 J B) 160 J C) 120 J D) zero
If a quantity you calculated had units of kg ? m/s, what type of quantity could it be? (There could be more than one correct choice.)
A) momentum B) kinetic energy C) work D) impulse E) force