The car and truck move at speeds of 30 m / s and 20 m / s, respectively. The mass of the car is 1000 kg. What is the mass of the truck if the ratio of the momentum of the truck to the momentum of the car is 2
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Answer:
1300 kg
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Answer:
givet, Vc = 30m/sec, Vt = 20m/sec, mc = 1000 kg
mt = ? Mt : Mc = 2 : 1
momentum = mass × velocity
momentum of car Mc=1000×30=30000 kg m/sec
momentum of truck Mt = mt × 20
=> Mt/Mc= 2/1 = mt × 20/30000
=> mt × 20 = 2 × 30000
=> mt = (2 × 30000)/20
=> mt = 3000 kg Answer
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