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Sergeeva-Olga [200]
3 years ago
9

Hdhshabxbxhxhjdhdhsjshs

Physics
1 answer:
8_murik_8 [283]3 years ago
6 0
Yes sassaaaaaaaaaaaaaaaaap
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What is the mass of a stone moving at a speed of 15 meters/second and having a momentum of 7.5 kilogram - meters / seconds
Elanso [62]

Answer:

0.5 kg

Explanation:

The momentum of an object is defined as

p = mv

where

m is the mass

v is the velocity

In this problem we have,

v = 15 m/s is the velocity of the stone

p = 7.5 kg m/s is the momentum

Solving for m, we can find the mass of the stone:

m=\frac{p}{v}=\frac{7.5 kg m/s}{15 m/s}=0.5 kg

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The chemical substances in food that help maintain our body are known as what?
rodikova [14]

Answer:

Nutrients

Explanation:

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Give an example of a situation in which you would describe an
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It would be A because it would make sense
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How much energy is needed to raise a 50kg block up from the ground to a height of 5 meters?​
miss Akunina [59]

Answer:

The answer to your question is    Pe = 2452.5 J

Explanation:

Data

mass = 50 kg

height = 5 m

gravity = 9.81 m/s²

Process

The energy of this process is Potential energy which is proportional to the mass of the body, the gravity and the height of the body.

           Pe = mgh

Substitution

           Pe = (50)(5)(9.81)

Simplification

           Pe = 2452.5 J

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Describe how water may be treated before people use it
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Water is treated by purifying it by adding slaked lime or potash alum

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