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Sladkaya [172]
3 years ago
7

Which statements accurately describe matter? Check all that apply. Only living things are made up of matter. Matter is made up o

f tiny particles called atoms. Atoms were discovered in the twenty-first century. Atoms cannot be divided and still retain the properties of its original state. A single atom can be seen only with a standard microscope.
Physics
2 answers:
harkovskaia [24]3 years ago
7 0
The answer is "matter is made up of tiny particles called atoms"
TEA [102]3 years ago
6 0

Answer:

Matter is made up of tiny particles called atoms

Explanation:

All the things, whether living or non-living, are made up of matter. Matter is composed of tiny particles known as atom. Atoms were discovered in 19th century. Atoms are composed of subatomic particles- electrons, protons and neutrons. An atom cannot be observed using a standard microscope as it is very tiny. It can be viewed under an electron microscope.

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according to Newton's __ law, an object with no net force acting on it remains at rest or in motion with a constant veloctiy
Pani-rosa [81]

Answer:

i think its his law of inertia

Explanation:

this law is about motion

5 0
3 years ago
What is the momentum of a 950 kg car moving at 10.0 m/s?
KonstantinChe [14]
What's 950 x 10 bro?
<span>
9500 kg m/s
</span>
6 0
3 years ago
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If an airplane is flying at 300 km/h to the east and is facing a headwind of 18.0 km/h, what is the airplane's final velocity?
givi [52]
If an airplane is flying at 300 km/h to the east and is facing a headwind of 18.0 km/h, the final velocity can be calculated using simple vector addition. In this case, the planes velocity is positive (+330 km/h) and head wind has a negative component (-18.0 km/h). Vector addition yields +330 km / h + (-18.0 km /h) = 312 km / h. 
8 0
3 years ago
Ted Williams hits a baseball with an initial velocity of 120 miles per hour (176 ft/s) at an angle of θ = 35 degrees to the hori
lys-0071 [83]

Answer: the maximum heigth of the stadium at ist back wall is 151.32 ft

Explanation:

1. use the position (x) equation in parobolic movement to find the time (t)

565 ft = [frac{176 ft}{1 s\\}[/tex] * cos (35°)  * t

t= 3.92 s

2. use the position (y) equation in parabolic movement to find de maximun heigth  the ball reaches at 565 ft from the home plate.

y= [[frac{176 ft}{1 s\\}[/tex] * sen (35°) * 3.92 s] - \frac{32.2 ft/s^{2} *3.92 s^{2}  }{2}

y= 148.32 ft

3. finally add the 3 ft that exist between the home plate and the ball

148.32 ft + 3 ft = 151.32

6 0
3 years ago
The mass of the car?
Nonamiya [84]

Answer:

1050 kg

Explanation:

The formula for kinetic energy is:

KE (kinetic energy) = 1/2 × m × v² where <em>m</em> is the <em>mass in kg </em>and <em>v</em> is the velocity or <em>speed</em> of the object <em>in m/s</em>.

We can now substitute the values we know into this equation.

KE = 472 500 J and v = 30 m/s:

472 500 = 1/2 × m × 30²

Next, we can rearrange the equation to make m the subject and solve for m:

m = 472 500 ÷ (1/2 × 30²)

m = 472 500 ÷ 450

m = 1050 kg

Hope this helps!

3 0
2 years ago
Read 2 more answers
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