This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part.Tutorial ExerciseTwo cars start moving from the same point. One travels south at 60 mi/h and the other travels west at 25 mi/h. At what rate is the distance between the cars increasing two hours later?Part 1 of 4Using the diagram of a right triangle given below, the relation between x, y, and z isz2 = $$x2+y2 .Part 2 of 4We must find dz/dt. Differentiating both sides and simplifying gives us the following.2z · $$dzdt​  =  2x · dxdt + $$2y · dydt  dzdt =  $$1 x · dxdt + $$y · dydtPart 3 of 4After 2 hours, we have the following.z  =  x 120 2 + 502  =  70.71 130Part 4 of 4Therefore, we have the following.dzdt =  1130120 · + 50 ·   =  mi/h

Two cars start moving from the same point. One travels south at 48 mi/h and the other travels west at 20 mi/h. At what rate is the distance between the cars increasing four hours later?

Two cars start moving from the same point. One travels south at 56 mi/h and the other travels west at 42 mi/h. At what rate (in mi/h) is the distance between the cars increasing three hours later? mi/h

elect the correct answerTwo cars A and B start simultaneously from two different places and travels towards each other. They arrive at their destination after 2 hrs and 3 hrs respectively. If speed of car A is 48 km/hr. what is the speed of car B?Options36 km/hr.40 km/hr.32 km/hr.48 km/hr.

Answer each of the following questions independently.Two cars C1 and C2 start their journey from two different points at 4 kmph and 3 kmph respectively and meet after 5 hours at a point where their paths make an angle of 135°. After the cars met, they interchange their paths. Each car first travels to the other car's starting point (i.e. C1 travels to C2's starting point along the path C2 was travelling on and C2 travels to C1's starting point along the path C1 was travelling on ) and then travels along the straight line path (i.e. the shortest distance) joining the starting points of the two cars, finally  reaching  it's original starting point. Find the approximate time interval between the return of C1 and C2  to their starting positions.

Two cars P and Q start from two points A and B towards each other simultaneously. They meet for the first time 40 km from B. After meeting they exchange their speeds as well as directions and proceed to their respective starting points. On reaching their starting points, they turn back with the same speeds and meet at a point 20 km from A. Find the distance between A and B.130 km100 km120 km110 km