4 years ago

17. Which is an example of a chemical change?

Physics

2 answers:

Over [174]4 years ago

7 0

im pretty sure the answer is B:)

melamori03 [73]4 years ago

5 0

C: bread being baked

Please mark as brainliest

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Who ever gets it I will give Brainly and 20 points

Likurg_2 [28]

What are the options for A,B,C,D? There’s arrows

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3 years ago

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A mass attached to the end of a spring is oscillating with a period of 2.25 s on a horizontal frictionless surface. The mass was

Rudiy27

Answer:

$X=0.0389m$

Explanation:

From the question we are told that:

Period of spring $T_s=2.25s$

Initial Position of Mass $x=0.0480m$

Final Mass period $T_f=5.85s$

Generally the equation for the Mass location is mathematically given by

$X=xcos*\frac{2\pi T_s}{T_f}$

$X=0.048*cos*\frac{2\pi 5.85}{2.25}$

$X=0.0389m$

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3 years ago

What makes up the majority of the solar system space

Setler [38]

Matter makes up all of the universe

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3 years ago

A test rocket is launched vertically from ground level (y = 0 m), at time t = 0.0 s. The rocket engine provides constant upward

Ksenya-84 [330]

I think the upward acceleration of the rocket during the burn phase is 7.8 m/s2

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4 years ago

A scuba tank, when fully submerged, displaces 16.7 L of seawater. The tank itself has a mass of 13.4 kg and, when "full," contai

meriva

Answer:

$m = 17.87 kg$

Explanation:

As we know that tank itself has mass given as 13.4 kg

so it is given as

$m_1 = 13.4 kg$

also the tank contains air in it and the mass of air inside the tank is also given as 4.47 kg

so it is

$m_2 = 4.47 kg$

so total mass of the tank is the mass of the empty tank and mass of air in the tank

$m = m_1 + m_2$

$m = 13.4 + 4.47$

$m = 17.87 kg$

3 0

3 years ago