1. The recoil velocity of the gun is equal to 1m/s. Formula in Image 1
2.The final velocity of the toy car is equal to 8m/s. Formula in Image 2
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bypixel9mm
m1 is the mass of the first toy car, m2 is the mass of the second toy car, u1 is the initial velocity of the first toy car, u2 is the initial velocity of the second toy car, v1 is the final velocity of the first toy car.
bypixel9mm
Eto yung given. m1 = 6kg, u1 = 20m/s. m2 = 4kg, u2 = 8m/s, v2 = 20m/s. Long story short, may 6kg na bola na gumagalaw ng 20m/s, may nakabangga siyang isa pang bola na 4kg ang bigat, tapos 8m/s ang bilis. Kung and pangalawang bola ay umandar sa ibang direksyon ng 20m/s, hanapin ang bilis ng pagandar ng unang bola sa ibang direksyon.
bypixel9mm
So ang dahilan kung bakit mali ang sagot ko, hindi puwedeng umandar yung pangalawang bola sa ibang direksyon ng 20m/s dahil sa bigat niya. Ang tamang v2 ay 22.4m/s, mali yung given. Kung susundan natin to, ang tamang sagot ay v1 = 10.4m/s. Sorry kung mali yung sagot ko, mali kasi yung given.
Answers & Comments
1. The recoil velocity of the gun is equal to 1m/s. Formula in Image 1
2. The final velocity of the toy car is equal to 8m/s. Formula in Image 2