The thrust on the rocket in the absence of gravitational force of attraction is__________________?
B. not constant
C. constant if the rate of ejected gases is constant
D. constant for short range rocket.…
When collision between the bodies in a system is inelastic in nature then for system ____________________?
A. momentum changes but K.E remain conserveB. K.E changes but momentum remain conserve
C. both momentum and K.E changes