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Which has more momentum, a #6kg# object moving at #5m/s# or a #9kg# object moving at #3m/s#?

Answer 1

Nathan Ashcroft

Momentum is #"mass" xx "velocity"#
Object 1#-> 30kgm/s color(white)(..)#Object 2#-> 27kgm/s#
First object has more

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Answer 2

Nora Arzate

To calculate momentum, you use the formula momentum = mass × velocity.

For the 6kg object moving at 5m/s: momentum = 6kg × 5m/s = 30 kg*m/s

For the 9kg object moving at 3m/s: momentum = 9kg × 3m/s = 27 kg*m/s

Therefore, the 6kg object moving at 5m/s has more momentum, with 30 kgm/s compared to the 9kg object moving at 3m/s with 27 kgm/s.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.