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attashe74 [19]
2 years ago
12

How much pressure is created when you apply a

Physics
1 answer:
Alekssandra [29.7K]2 years ago
5 0
Pressure
= Force/Area

Area = π(d^2)/4
= π(0.4^2)/4
=0.126 m2
Pressure
= 50/0.126
= 396.825 Pa
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What characteristics determine how easily two substances change temperature
ValentinkaMS [17]

Answer;

Amount of time the two substances are in contact

Area in contact between the two substances

Specific heat of the material that makes up the substances

Explanation;

The change in temperature of a substance is caused by heat energy. The change in temperature will depend on factors such as mass of the substance, the type of material it is made from, the time taken , specific heat of the material that makes the substance, and also the area of contact.

The amount of time the two substances are in contact affect the change in temperature such that if the two bodies are in contact for a longer time then a bigger change in temperature will be observed.

Specific heat capacity also determines the change in temperature that will be observed, such that a substance with a bigger specific heat capacity will record a small change in temperature.

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3 years ago
An automobile moves on a level horizontal road in a circle of radius 30 m. The coefficient of
blondinia [14]

Answer:

v = 12.12 m/s      

Explanation:

It is given that,

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3 years ago
Which of these processes are chemical reactions
White raven [17]

Explanation:

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Learn more:

Chemical change brainly.com/question/9388643

#learnwithBrainly

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How many electrons will aluminum gain or lose when it forms an ion?
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The chances of being involved in an auto collision once a year are
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Very unlikely. This is not really a good question for Brainly.
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3 years ago
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