Questions
A missile is launched with a velocity less than the escape velocity. The sum of its kinetic and potential
detailed solution
Correct option is B
Since velocity of projectile is less than escape velocity, it will either strike the surface of earth or move around the earth in elliptical orbit. Therefore sum of K.E and P.E i.e.,12mv2+-GMmR<0Hence option - (2) is right.Talk to our academic expert!
Similar Questions
The masses, each of mass m are kept on the vertices of an equilateral triangle of side a. Find the work needed to be done to change the length of the triangle twice of its original value.
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