A(n) 6700 kg rocket traveling at2500 m/sis moving freely through space on ajourn

Question

A(n) 6700 kg rocket traveling at2500 m/sis

moving freely through space on ajourney to

the moon. The ground controllersfind that

the rocket has drifted offcourse and that it

must change direction by10? if it isto hit the

moon. By radio control therocket’s engines

are fired instantaneously(i.e., as asingle pel-

let) in a directionperpendicular to that of the

rocket’s motion. The gasesare expelled (i.e.,

the pellet) at a speed of 4300m/s (relativeto

the rocket).

What mass of gas must beexpelled to make

the needed course correction?Answer in units

of kg.

Explanation / Answer

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