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Maksim231197 [3]
3 years ago
9

What is the formula of conservation of linear momentum

Physics
1 answer:
Arada [10]3 years ago
8 0

Conservation of Linear Momentum. Although the momentum of individual objects may change during a collision, the total momentum of all the objects in an isolated system remains constant. An isolated system is one on which the net force from external sources is zero.

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Describe the importance of conservative forces to conservation of energy.
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Not sure but just coming to say good luck and take your time
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3 years ago
A car starts from rest and undergoes an acceleration of 4.0 m/s/s for a time of 5.0 s. What is the final velocity of the car?
Kruka [31]

Answer:

20m/s

Explanation:

acceleration=final velocity-initial velocity/time

4.0m/s²=v m/s-0m/s/5.0sec

5.0sec×4.0m/s²=v m/s-0m/s×5.0m/s/5.0m/s

20m/s=v

7 0
3 years ago
Newton’s Laws of Motion are absolute in classical physics. One example that uses all three laws simultaneously is the firing of
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Action and reaction are the rocket fuel going backwards and the rocket going forward. 3
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the rocket was at rest, 1, until there was a resultant external force 1 at which point 2 came in, with 3 alongside
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3 years ago
Read 2 more answers
Bats, which have a high-calorie diet of insects and face little danger from predators, sleep a lot. In contrast, cows, which hav
kherson [118]

The function of sleep theory supported by the illustration is sleep conserves and protects.

<h3>Positive impact of sleep</h3>

From the first sentence, bats sleep a lot because they face little danger from predators and as such, they have a high-calorie diet of insects.

<h3>Negative impact of sleep</h3>

From the second sentence, cows sleep less, because they face more danger from predators and as such, they have a low-calorie diet of insects.

We can conclude that sleep helps to keep animal safe. Therefore, the correct option will be, "Sleep conserves and protects".

Learn more about important of sleep here: brainly.com/question/10224591

8 0
2 years ago
Suppose we have two planets with the same mass, but the radius of the second one is twice the size of the first one. How does th
bogdanovich [222]

The free-fall acceleration on the second planet is one-fourth the value of the first planet.

Calculation:

Consider the mass of planet A to be, M

               the mass of planet B to be, Mₓ = M

               the radius of planet A to be, R₁

               the radius of planet B to be, R₂

The acceleration due to gravity on planet A's surface is given as:

g = GM/R₁²      - (1)

Similarly, the acceleration due to gravity on planet B's surface is given as:

g' = GM/R₂²                           [where, R₂ = 2R₁]

   = GM/4R₁²    -(2)

From equation 1 & 2, we get:

g/g' = GM/R₁² ÷ GM/4R₁²

g/g' = 4/1

Thus we get,

g' = 1/4 g

Therefore, the free-fall acceleration on the second planet is one-fourth the value of the first planet.

Learn more about free-fall here:

<u>brainly.com/question/13299152</u>

#SPJ4

6 0
2 years ago
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