C. A nebula.
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Question 25 of 25Two boxes are filled with air. The molecules that make up the air in Box Ahave more kinetic energy than those i
n Box B. What can you say about theseboxes?O A. Box A is larger than Box B.B. The molecules that make up air are bigger in Box A.C. The temperature is higher in Box A.D. The temperature is lower in the Box A.
1 answer:
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The momentum of each cart is given by:
where
m is the mass of the cart
v is its velocity (at the bottom of the ramp)
To answer the problem, let's calculate the momentum of each of the 4 carts:
1)
2)
3)
4)
Therefore, the cart with greatest momentum is cart 3, so the right answer is
<span>- trial 3, because this trial has a large mass and a large velocity</span>
where
m is the mass of the cart
v is its velocity (at the bottom of the ramp)
To answer the problem, let's calculate the momentum of each of the 4 carts:
1)
2)
3)
4)
Therefore, the cart with greatest momentum is cart 3, so the right answer is
<span>- trial 3, because this trial has a large mass and a large velocity</span>
