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Pie
2 years ago
5

Explain the procedures used and data recorded to identify a crystalline mineral based on its properties.

Physics
2 answers:
Kay [80]2 years ago
4 0

Answer:

Observing its shape and hardness

Explanation:

nikdorinn [45]2 years ago
3 0

Answer:

By examining its external shape, color, hardness, etc.

Explanation:

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During a field experiment about speed, a scientist created the chart above. The chart shows distance and time measurements for a
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2 years ago
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Answer: i think c

Explanation:QA: “What is ordinary glass made of ?”

Glass is mostly silica, or silicon dioxide, present as quartz in many types of sand. Pure silica forms a highly transparent glass, but has a very high melting or softening temperature, around 1700°C. Even at such high temperatures it is highly viscous and difficult to work. Its use is largely confined to applications requiring high transparency to ultra-violet and infra-red radiation, stability at elevated temperatures or low thermal expansion coefficient.

“Ordinary glass” windows and drinking vessels are typically made from soda-lime glass, containing silica with around 25% sodium, calcium and other oxides, which together reduce the softening temperature to roughly 500–600°C

6 0
2 years ago
A car (mass = 1090 kg) is traveling at 30.4 m/s when it collides head-on with a sport utility vehicle (mass = 2880 kg) traveling
Thepotemich [5.8K]

Answer:

The sport utility vehicle was traveling at V2= 11.5 m/s.

Explanation:

m1= 1090 kg

V1= 30.4 m/s

m2= 2880 kg

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m1*V1 = m2*V2

V2= (m1*V1)/m2

V2= 11.5 m/s

7 0
3 years ago
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