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3 years ago

Physical science is

Physics

1 answer:

zimovet [89]3 years ago

5 0

Physical science is the study of matter and energy, and the relationship between matter and energy.

E. The study of matter and energy, and the relationship between matter and energy

<u>Explanation:</u>

The study of issue and vitality and the associations between physicists concentrate such subjects as gravity, light, and time. Albert Einstein, a well known physicist, built up the Theory of Relativity.

Material science is the investigation of issue and vitality at all scales—from the littlest particles of the issue to the whole universe.

A geologist has practical experience throughout the entire existence of Earth. A sea-life scholar contemplates sea plants and creatures. A physicist ponders matter, vitality, and how they are connected.

There are three primary parts of science: physical science, Earth science, and life science. Physical science is the investigation of lifeless common items and the laws that administer them. It incorporates material science, science, and cosmology.

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A train moves from rest to a speed of 25 m/s in 30.0 seconds. What is the acceleration?

fredd [130]

Answer:

$a = 0.83\ m/s^2$

Explanation:

<u>Uniform Acceleration </u>

When an object changes its velocity at the same rate, the acceleration is constant.

The relation between the initial and final speeds is:

$v_f=v_o+a.t$

Where:

vf = Final speed

vo = Initial speed

a = Constant acceleration

t = Elapsed time

It's known a train moves from rest (vo=0) to a speed of vf=25 m/s in t=30 seconds. It's required to calculate the acceleration.

Solving for a:

$\displaystyle a=\frac{v_f-v_o}{t}$

Substituting:

$\displaystyle a=\frac{25-0}{30}$

$\boxed{a = 0.83\ m/s^2}$

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2 years ago

What type of lens does a camera contain?

Savatey [412]

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7 0

3 years ago

Read 2 more answers

A prism of angle 60° is of a material of refractive index √√2. Calculate angles of minimum deviation and maximum deviation.

Tom [10]

Answer:

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Explanation:

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2 years ago

WHO CAN ANSWER BOTH 14 and 15 WITH UNITS ILL PUT U AS BRAINLEST!

saw5 [17]

Answer:

14. V=8

15. V=40

Explanation:

simplifying:

14. 4 32/8

V=8