2 years ago

Which term refers to a variable that a scientist adjusts during an experiment

Physics

2 answers:

vladimir1956 [14]2 years ago

7 0

Responding variable

Explanation:

LuckyWell [14K]2 years ago

4 0

Answer:

Manipulated variable

a p e x

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Strontium has density of 2.64 g/cm3 and crystallizes with the face-centered cubic unit cell. Calculate the radius of a strontium

pantera1 [17]

Answer:

The radius of strontium atom is

2.14 E-8cm

Explanation:

Go through the attached file for a comprehensive detailed explanation.

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2 years ago

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eimsori [14]

The wavelength decreases to roughly half.
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2 years ago

A projectile is launched straight upwards at 75 m/s. Three seconds later, its velocity is...?

yawa3891 [41]

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V = 75 - 9.8 * 3 = 45.6 m/s

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2 years ago

A 10-kg cart moving at 5 m/s collides with a 5-kg cart at rest and causes it to move 10 m/s. Which principle explains the result

Over [174]

B) law of conservation of momentum

It states that the total momentum of a system before impact is the same as the total momentum of the system after impact.

In this case total momentum before impact:

10kg*5m/s + 5kg * 0m/s = 50 kg m/s

After Impact:

10kg*0m/s + 5kg*10m/s = 50 kg m/s

You can see the momentum before and after impact is same as 50 kg m/s

Of course we assumed that the first cart stopped after the impact, and there are no energy losses.

7 0

2 years ago

Coherent light with wavelength 610 nm passes through two very narrow slits, and theinterference pattern is observed on a screen

andriy [413]

Answer:

= 1220 nm

= 1.22 μm

Explanation:

given data:

wavelength $\lambda = 610 nm = 610\times 10 ^{-9} m$