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MrRissso [65]
3 years ago
14

Select all that apply.

Physics
2 answers:
Maurinko [17]3 years ago
8 0

Answer:

<u><em>The answer is</em></u>: <u>1000 gr., 1,000 ml, 1,000 cm3.</u>

Explanation:

<em>Water has a density of 1 kg / l, that is, 1 liter of water has a fair mass of 1 kilogram. </em>

<em> </em>

1 kilogram is equal to 1000 grams.

1 liter of water is equal to 1000 grams.

<em>In case of volume. </em>

1 liter is equal to 1000 milliliters.

1 liter has 1000 cubic centimeters (cc).

<u><em>The answer is</em></u>: <u>1000 gr., 1,000 ml, 1,000 cm3.</u>

zhenek [66]3 years ago
3 0
It depends of liquid's density. If it's water, only in that case 1kg of liquid has the volume of 1 liter = 1000cm3 = 1000ml and 1kg=1000g
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S Problem Set<br> 2.) 6.4 x 109 nm to cm
anyanavicka [17]

Answer:

6.4\cdot 10^2 cm

Explanation:

First of all, let's convert from nanometres to metres, keeping in mind that

1 nm = 10^{-9} m

So we have:

6.4\cdot 10^9 nm \cdot 10^{-9} m/nm = 6.4 m

Now we can convert from metres to centimetres, keeping in mind that

1 m = 10^2 cm

So, we find:

6.4 m \cdot 10^2 cm/m = 6.4\cdot 10^2 cm

8 0
3 years ago
Describe at least two ways that you can reduce the friction between two solid surfaces
Firlakuza [10]
I will try to name as much as I can :

• Magnets
• Butter
• Petroleum
• Using a spherical object leaves the surface with very little surface area, basically using balls will help alot
• Using a hockey table leaves you with not friction at all when on
8 0
4 years ago
A simple Atwood’s machine uses a massless
Lady bird [3.3K]
The Atwood's machine is in motion starting from rest, then Vf = Vo + a(t). 
<span>Final Velocity is given as 6.7 m/s and the time is 1.9 s thus 6.7= 0+ a(1.9) </span>
<span>then a = 6.7/1.9 = 3.526 m/s². </span>
<span>The Atwood's Machine also has the formula d= distance = 1/2a(t²) </span>
<span>distance given is 6.365 m , then 6.365 = 1/2 a (1.9)², </span>
<span>a = 3.526 m/s² the same acceleration. </span>
<span>a= g(m1-m2) / m1+m2) </span>
<span>m1a + m2a = m1g - m2g </span>
<span>m1a - m1g = -m2g - m2a </span>
<span>3.526 m1 - 9.81 m1 = -9.81m2 - 3.526 m2 </span>
<span>-6.28 m1 = -13.34 m2 </span>
<span>0.47 m1= m2 </span>
<span>if 24J = 1/2mv² </span>
<span>then 24J = 1/2 m1 ( 6.7)² </span>
<span>48/ 44.89 = m1 </span>
<span>1.069 kg = m1 , then </span>
<span>0.47(1.069) = m2 </span>
<span>0.503 kg = m2</span>
6 0
4 years ago
A tourist bus is carrying passengers from the bottom of a hill to the top. the people, the bus, and the luggage can be analyzed
WINSTONCH [101]

The  friction between the tires and the road causes loss of energy in the form of heat-energy.

<h3>What is kinetic energy?</h3>

The term kinetic energy refers to the energy of an object that is in motion. The pasengers that are sitting at a point possess potential energy. If the bus stops suddenly, the potential energy of the passengers is converted to kinetic energy as they move forward.

Since friction causes loss of energy, the  friction between the tires and the road causes looss of energy in the form of heat-energy.

Learn more about kinetic energy: brainly.com/question/12669551

7 0
2 years ago
Suppose the Earth's magnetic field at the equator has magnitude 0.00005 T and a northerly direction at all points. How fast must
sasho [114]

Answer:

Velocity will be v=1.291\times 10^8m/sec

Explanation:

We have given magnetic field B = 0.00005 T

Mass m = 238 U

We know that 1u=1.66\times 10^{-27}kg

So 238 U =238\times 1.66\times 10^{-27}=395.08\times 10^{-27}kg

Radius =R+1.44=6378+1.44=6379.44KM

We know that magnetic force is given by

F=qvB which is equal to the centripetal force

So qvB=\frac{mv^2}{r}

1.6\times 10^{-19}\times v\times 0.00005=\frac{395.08\times 10^{-27}v^2}{6379.44}

v=1.291\times 10^8m/sec

5 0
3 years ago
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