An airplane is flying at an altitude of 5 mi and passes directly over a radar antenna as shown in the figure. When the plane is
10 mi from the antenna (s = 10), the radar detects that the
15
distance s is changing at the rate of 300mph. What is the rate
of change of the angle of depression (O)?

The academic affairs council is the highest expert body processing academic affairs, as stipulated by the university statutes. specialist aaro häkkinen (educational policy) took part in the council’s meeting. the agenda of the meeting included bachelors’ feedback, the timing of pedagogical studies, the grant system for tuition fees, the standardisation of administrative practices for internships and the situation of foreign-language and multilingual master’s programmes.