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8090 [49]
3 years ago
8

Heike Onnes noticed that pure, solid _____ could be cooled to 4.2 K and have no resistance.

Physics
1 answer:
Marrrta [24]3 years ago
6 0

Answer: Mercury

Explanation:

Did it on edg

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Gekata [30.6K]

Answer:

1. Check Your Wheels

2. Check Your chain for rust

3. Check Your Brakes

4. Check your crank arms and pedals

7 0
2 years ago
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Sanitation can be accomplished by all of the means except
Nonamiya [84]

Answer:

Air drying

Explanation:

Sanitation is the set of measures that aims to preserve or modify the conditions of the environment in order to prevent diseases and promote health, improve the quality of life of the population and the productivity of the individual and facilitate economic activity. Basic sanitation is a right guaranteed by the Constitution as the set of services, infrastructure and operational installations for water supply, sanitary sewage, urban cleaning, urban drainage, solid waste and rainwater management.

Sanitation can be carried out in several ways, except for dry air, as this would damage the quality of sanitation and the environment.

Sanitation is important in treated water, sewage collection and treatment services lead to an improvement in the quality of people's lives, especially in child health, with a reduction in child mortality, improvements in education, in the expansion of tourism, in the valuation of properties, in income of the worker, in the cleaning of rivers and preservation of water resources, etc.

5 0
4 years ago
A truck is speeding up as it travels on an interstate. The truck's momentum (in kg · m/s) is proportional to the truck's speed (
serious [3.7K]

Answer:

a)48300 times

b)P = 821100  kg · m/s

Explanation:

Given that

m = 48300 kg

v= 23 m/s

We know that linear momentum (P) given as

P = m v

P = 48300 x 23  kg · m/s

So we can say that truck momentum is 48300 times its velocity.

Now given that

v= 17 m/s

P = m v

P = 48300 x 17  kg · m/s

P = 821100  kg · m/s

6 0
4 years ago
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What is the speed of a car that travels 150 km in 3.00 hrs?
zhuklara [117]
You would do distance divided by speed. So 150÷3, which would equal 5km per hour.
4 0
3 years ago
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Explain why science writers show connections between subjects and ideas within a science text.
vova2212 [387]

Answer:

They show connections because actual life problems help the students understand the topic better!! Hope this helps

Explanation:

Brainliest would be appreciated

5 0
3 years ago
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