Find the time in which distance between ships is minimum.
Answer with explainations please.
Share
Find the time in which distance between ships is minimum.
Answer with explainations please.
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
so...
minimum distance(S) will be...
S= √[{100-(10t)}²+{10t}²]
S= √[10000+100t²-2000t+100t²]
S= √[200t²-2000t+10000]
S= √[200(t²-10t+50)]
so for minimum value of S
(dS/dt)=0
which will let us to ,
100-10t=10t
t=5seconds