Author Question: A projectile that is fired vertically from the surface of Earth at 5 km/s will A) go into ... (Read 57 times)

pragya sharda · **on:** Jul 29, 2018

A projectile that is fired vertically from the surface of Earth at 5 km/s will

A) go into circular about Earth.
B) go into an elliptical orbit about Earth.
C) rise and fall back to Earth's surface.
D) none of the above

Question 2

) A vertically oriented rocket that is able to sustain a continuous upward velocity of 8 km/s will

A) escape from Earth.
B) be unable to escape Earth.
C) eventually maintain a fixed orbit around Earth.