I have 3 calculus 1 questions please help!
1) A man starts walking north at 3 ft/s from a point P. Five minutes later a woman starts walking south at 7 ft/s from a point 500 ft due east of P. At what rate are the people moving apart 15 min after the woman starts walking?
2)The top of a ladder slides down a vertical wall at a rate of 0.375 m/s. At the moment when the bottom of the ladder is 6 m from the wall, it slides away from the wall at a rate of 0.5 m/s. How long is the ladder?
3)Two sides of a triangle have lengths 13 m and 17 m. The angle between them is increasing at a rate of 2°/

Question

I have 3 calculus 1 questions please help!
1) A man starts walking north at 3 ft/s from a point P. Five minutes later a woman starts walking south at 7 ft/s from a point 500 ft due east of P. At what rate are the people moving apart 15 min after the woman starts walking? 
2)The top of a ladder slides down a vertical wall at a rate of 0.375 m/s. At the moment when the bottom of the ladder is 6 m from the wall, it slides away from the wall at a rate of 0.5 m/s. How long is the ladder?
3)Two sides of a triangle have lengths 13 m and 17 m. The angle between them is increasing at a rate of 2°/

anonymous · Answer

B