Question

Khalid Winter 2019 Physics 231-01 1 of7 roblem 1.19 Revi A boat travels in a sraight ine at a constant speed for 200 and covers a distance of 200en stops for and stands s Figure ophsics prosor goes to work on a straight oad to campus aking at a constant speed he covers a distance of overing the x Im) 300 2001 s waking on to cover a distance of 200 1001 t (s) 0 200 400 600 . SAMSUNG

Answer 1

second statement about forgetful physics professor is right as in first 200 sec he has covered 100 m

as it can be interpreted from the displacement time graph then he stops for 200 sec as his position does not change for next 200 sec and then he increases speed and covers 200 m in 200 sec

we know initial position of puck A and B and their initial time(when they begin to move ) and initial velocity of puck A

however we do not know initial velocity of Puck B , time of collision, position of puck A and B at moment of collision

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