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| 1. |
What is the momentum in kg.m/s of a 10kg car travelling at (a) 5m/s (b) 20cm/s, and (c) 36km/h? |
| Answer» MASS of CAR , m=10 kgMomentum =m×va) VELOCITY ,v=5 m/s Momentum=10×5=50 kg.m/sb) velocity , v=20 cm/s=0.2 m/s Momentum=10×0.2=2 kg.m/sc) velocity , v=36 km.hr=10 m/s Momentum=10×10=100kg.m/s | |