Question

013).pdf ( page) u=60kg Mycka om Two passengers with masses Mr=40 kg and Me=60 kg are standing on the two ends of A boat with mass Mo=100 kg. The length of the boat is L=10 m and its center of mass is in the middle of the boat a) The two passengers start running toward each other with equal speeds u=1 m/s relative to the boat. With what velocity V=? does the boat start moving? b) After the two passengers reach each other at the center of the boat, how far d=? has the boat moved? c) If instead of running toward each other, passenger with mass Mr=40 kg does not move and the other passenger with mass M2=60 kg move and meet him at the other end of the boat, how much d'=? has the boat moved?

Answer 1

all the best!! нь 40% Иg = 40kg Мь2la L=10m There is no external force on MR, ML,M6 in herixental dion; Vamo y=8+1 ML (VL)+ MAURImozo ve = V-1 I =) GO (U+1) +46(0-1) tienpv = 0 Vo=v 200 +2=0 V2-2602-0.1 mis? #vela Boat is (0.1 m/s): Yes it moves 60x2 = 4 d Boat goesd towards left DXR=-4-d I Chelung rigentaste) AXA --á / Meloxz) t'mey9xx) +mo (996)=0 = 60 (2nd) +48 (-722nd) + topl-dl=0 3416-4) = 0 (6+4+20) = d = 1 / 4 = 10.5m] Answer) SXL = L-d'imi (oxl) tmelbXe) +MO (DXB)=0 DXR = -d' DX6=ad 68 (L-01) +40 (-a!) trodd d)-0 76L = d'(6+4+10) © Au the best!! id=64/20 =3 m (left) yes.