Suppose a cart is being moved by a certain net force. if a load is added to the cart so its mass is doubled, what is the ratio of the new acceleration to the old acceleration? 1. 4 2. 2 3. 0.625 4. 3 5. 1 6. 0.333 7. 0.25 8. 0.2 9. 0.5 10. 1.5

The correct answer is 9

Explanation:

Newton's second law states that force is proportional to the product of mass by acceleration

F = ma

With the first condition

F = m a1

We double the mass

F = 2m a2

.ma1 = 2 m a2

.a2 / ai = 0.5

The correct answer is 9

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explanation:

vestigial organs (like your appendix) are organs that no longer serve a purpose.

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