Question

A rocket is fired vertically upward from the surface of the earth it move with consatte accelration 10

Answer 1

$\huge\underline\mathfrak\pink {Solution}$

When the projectile leaves the earth's surface, its kinetic energy Ki begin mathsize 12px style equals space 1 half m space v squared space equals space 1 half m space k squared v subscript E superscript 2 space end style where vE is escape velocity at earth's surface , its poetial energy Ui begin mathsize 12px style equals space minus G fraction numerator M space m over denominator R end fraction end style