A body of mass 5kg starts from the origin with an initial velocity vecu=30hati+40hatjms^(-1). If a constant force vecF=-(hati+5hatj)N acts on the body, the time in which the y-component of the velocity becomes zero is

A body of mass 5kg starts from the origin with an initial velocity vec

1.	A body of mass 5kg starts from the origin with an initial velocity vecu=30hati+40hatjms^(-1). If a constant force vecF=-(hati+5hatj)N acts on the body, the time in which the y-component of the velocity becomes zero is
Answer» 5s 20s 40s 80s Solution :`V=u+at, a=(F)/(m)`