6. January, 2019Uncategorized

Copy the notes and answer the question below the line.

Momentum Practice:  Show all work by hand and all units.

1.Which object has more momentum? A 3 kg sledge-hammer swung at 1.5 m/s or a 4 kg sledgehammer swung at .9 m/s?

2.What is the velocity of a car whose momentum is 70,000 kg∙m/s and has a mass of 2000 kg?

3.The momentum of a car traveling in a straight line at 20 m/s is 24,500 kg·m/s. What is the car’s mass?