The escape velocity of the earth is “v”. If an object is thrown vertically upwards with a velocity “kv”, what is the speed of the object at infinity?
A. v/(k2-1)1/2
B. v(k2-1)1/2
C. v2/(k2-1)
D. v2 (k2-1)
Answer:B
The escape velocity of the earth is “v”. If an object is thrown vertically upwards with a velocity “kv”, what is the speed of the object at infinity?
A. v/(k2-1)1/2 B. v(k2-1)1/2 C. v2/(k2-1) D. v2 (k2-1)