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ozzi
3 years ago
5

Why is it hard to breath on top of a mountain?

Physics
1 answer:
stiks02 [169]3 years ago
3 0
Hello there.

Question: <span>Why is it hard to breath on top of a mountain?

Answer: It is due to high altitude. There is a much lower air pressure which makes it difficult to breath.Also the percentage of oxygen in the air decreases.

In short, Your answer is due to low air pressure.

Hope This Helps You!
Good Luck Studying ^-^</span>
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6 0
3 years ago
A 50 kg woman, riding on a 10 kg cart, is moving east at 5.0 m/s. the woman jumps off the cart and hits the ground running at 7.
pav-90 [236]
To answer this question, we will use the law of conservation of momentum which states that:
(m1+m2)Vi = m1V1 + m2V2 where:
m1 is the mass of the woman = 50 kg
m2 is the mass of the cart = 10 kg
Vi is the initial velocity (of woman and cart combined) = 5 m/sec
V1 is the final velocity of the woman = 7 m/sec
V2 is the final velocity of the cart that we need to calculate

Substitute with the givens in the above equation to get the final velocity of the cart as follows:
(50+10)(5) = (50)(7) + (10)V2
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Note that the negative sign indicates that the cart is moving in an opposite direction to the others.
4 0
3 years ago
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