2 years ago

(forces and motion) explain in 3-2 sentences why acceleration is interesting.

Physics

1 answer:

Luden [163]2 years ago

7 0

Answer:

Acceleration is a vector and is the rate at which an object changes its velocity. Acceleration is not going fast.
If a person is moving fast but not changing speed, he is not accelerating.
The person or object has to be going fast sometimes, faster sometimes, or slower sometimes.

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3 years ago

A 1000 kg rocket carrying 25 kg of fuel and oxygen rises at a velocity of 305 m/s. If all the mass of fuel and oxygen is burned

Thepotemich [5.8K]

If all the mass of fuel and oxygen is burned to form gases of combustion, the downward velocity of these gases would be 12,505 m/s.

<h3>Conservation of linear momentum</h3>

The principle of conservation of linear momentum states that, the total momentum of an isolated system is constant.

The downward velocity of thes gases is calculated as follows;

v1(m1 + m2) = v2(m2)

305(1000 + 25) = v2(25)

312,625 = 25v2

v2 = 312,625/25

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Learn more about linear momentum here: brainly.com/question/7538238

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