If the escape velocity of a body on Earth is 11.2 km/s, the escape velocity of the body thrown at an angle 45° with the horizontal will be
A. 11.2 km/s
B. 22.4 km/s
C. \(\frac{11.2}{\sqrt{2}}\)km/s
D. 11.2 \(\sqrt{2}\) km/s
Answer:A
If the escape velocity of a body on Earth is 11.2 km/s, the escape velocity of the body thrown at an angle 45° with the horizontal will be
A. 11.2 km/s B. 22.4 km/s C. \(\frac{11.2}{\sqrt{2}}\)km/s D. 11.2 \(\sqrt{2}\) km/s