Posted by justin on Monday, July 1, 2013 at 5:56pm.
His spacecraft, Vostok I, was a sphere about 2.3 m in diameter, and it reached a maximum altitude above Earth’s surface of 327 km. What was the spacecraft’s speed at this point in its orbit?

general physics  Elena, Monday, July 1, 2013 at 6:23pm
the gravitational constant G =6.67•10⁻¹¹ N•m²/kg²,
Earth’s mass is M = 5.97•10²⁴kg,
Earth’s radius is R = 6.378•10⁶ m.
r=R+h =6.378•10⁶ +0.327•10⁶ =...
ma=F
F =G•m•M/r²
ma=mv²/r
G•m•M/r² =mv²/r
v=sqrt(GM/r)=...
Answer This Question
Related Questions
 Calculus  A spacecraft is in an elliptical orbit around the earth. At the time ...
 Physics  A rocket has put your spacecraft in a circular orbit around Earth at ...
 physics  A Titan IV rocket has put your spacecraft in a circular orbit around ...
 Physics  Kang and Kodos orbit the Earth in a spaceship 20,000 km above ...
 Physics  Kang and Kodos orbit the Earth in a spaceship 20,000 km above ...
 Math  The radius of Earth is 3,959 miles. A spacecraft orbits 6 miles above the...
 Physics  When a spacecraft travels from the Earth to the Moon, both the Earth ...
 Physics  The shuttle must perform the deorbit burn to change its orbit so that...
 Physics  The shuttle must perform the deorbit burn to change its orbit so that...
 physics  On July 15, 2004, NASA launched the Aura spacecraft to study the earth...
More Related Questions