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» <html><body><p>5s<br/>20s<br/>40s<br/>80s</p>Solution :`V=u+at, a=(<a href="https://interviewquestions.tuteehub.com/tag/f-455800" style="font-weight:bold;" target="_blank" title="Click to know more about F">F</a>)/(m)`</body></html>