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mixer [17]
3 years ago
8

We know that a ship, even though it is madeup of tonnes of iron, floats on water. How do you feel about the scientists who found

the scientific principles and efforts in making a ship?
Physics
1 answer:
slamgirl [31]3 years ago
3 0
I feel admiration and respect for them, and I feel grateful and humble.
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Explain what happens to the energy in a group in a system if one object loses energy according to the Law of Conservation of Ene
konstantin123 [22]

energy never disappears, for example, if you give some kinetic energy to a ball and it stops few seconds later, friction steals this energy to ground which ball was going on. "Law of Conservation of Energy" tell us that energy can't disappear

5 0
3 years ago
The speed limit on some interstate highways is roughly 80 km/h. What is this in meters per second? How many miles per hour is th
sergey [27]

Answer:

1) Speed in m/s equals 22.22 m/s.

2) Speed in miles per hour equals 49.712 mph.

Explanation:

Since we know that in 1 kilometer there are 1000 meters and in 1 hour there are 3600 seconds hence we can write

80km/h=\frac{80\times 1000m}{3600s}=22.22m/s

Now we know that 1 mile equals 1.609 kilometer  hence we conclude that 1 kilometer equals \frac{1}{1.609}=0.6214mile

Hence

80km/h=\frac{80\times 0.6214miles}{1h}=49.712mph

3 0
4 years ago
(a) Calculate the total force of the atmosphere acting on the top of a table that measures 1.5 m 2.2 m.
frozen [14]
A)
Atmospheric pressure is 101325 Pa.
Pressure = Force / Area
Area of table = 1.5 x 2.2
= 3.3 m²
Force = 101325 x 3.3
= 334 kN

B)
According to Newton's third law, every action has an equal and opposite reaction. Thus, the upward force is equal to the force acting downward on the table and is being balanced. The force is 334 kN in the upward direction.
8 0
4 years ago
What are most elements on the periodic table?
Molodets [167]

Answer:

Metals, nonmetals and metalloids.

Explanation:

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3 years ago
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What is happening to you as you walk across the carpet
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You are attracting electricity<span />
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3 years ago
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