If two skaters at rest pull on the rope find velocity of ska

If two skaters at rest pull on the rope find velocity of skater A [ft/s] if velocity of skater B is vB=2[ft/s]. Weights of skaters are WA=160 [lb] and WB=220 [lb]. Assume that there is no friction between skates and ice.

If two skaters at rest pull on the rope find velocity of skater A [ft/s] if velocity of skater B is vB-2[ft/s]. Weights of skaters are that there is no friction between skates and ice.

Solution

>> Let Velocity of skater B is

>> Now, as Velocity of skater A is VA = 2 ft/s

As, Momentum of system will remain conserved because no external force is acting on the system.

As, Weight of Skater A, As = 160 lb and of B , An = 220 lb

>> APPLYING MOMENTUM CONSERVATION

=> Ma*Va = MB*Vb

=> 160*Va = 220*2

=> VA = 2.75 ft/s .......REQUIRED VELOCITY OF SKATER A....... ANSWER.....

If two skaters at rest pull on the rope find velocity of skater A [ft/s] if velocity of skater B is vB=2[ft/s]. Weights of skaters are WA=160 [lb] and WB=220 [l

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