Explain why the phrase "by ordinary means" was added to the Law of Conservation of Energy

Answers

Answer 1
Answer:

The phrase "by ordinary means" was added to the Law of Conservation of Energy because kind to be expected in the normal order of events.

What is mean byLaw of Conservation of Energy and who proposed it?

  • Law of Conservation of Energy law, first proposed and tested by Émilie du Châtelet, means that energy can neither be created nor destroyed; rather, it can only be transformed or transferred from one form to another. For instance, chemical energy is converted to kinetic energy when a stick of dynamite explodes
  • The conservation of energy formula goes Ki+Ui=Kf+Uf. U is potential energy and K is kinetic energy..
  • The laws of conservation of energy, momentum, and angular momentum are all derived from classical mechanics.

The phrase "by ordinary means" was added The phrase "by ordinary means" was added.

To learn more about laws of conservation of energy refer:brainly.com/question/11911812

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Answer 2
Answer:

-it can only be converted from one form to another.


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What type of wave is produced by a radio transmitter antenna

Answers

Answer:

Radio Waves...

Explanation:

When there is electricity flowing into the transmitter antenna makes electrons vibrate up and down it, producing radio waves...

I hope this helps you with what you need!!!

What's 7y^2 - y^2? HELP!

Answers

Hey there...
Let's solve this problem by steps.

Method 1 -
Step 1 --> Taking GCF
y^2 ( 7 - 1 )

Step 2 ---> Combining like terms
y^2 ( 6)

Or

6y^2  is your final answer.

Method 2 -
We can straight way subtract y^2 from 7y^2 which is
7y^2 - y^2
=\ \textgreater \ 6y^2 

Hope it helped you..  :)
7y^2 - y^2 = 6y^2 i think!

A light bulb converts electrical energy into electromagnetic energy is true or false?

Answers

The answer is True

Reason: The electromagnetic energy comes out of it in the form of light and heat.

2. A force of 24x10² N exists between a positive charge of 8x10-5C and a positive charge of 3x10C.What distance separates the charges?

Answers

Answer: 94.9 metres

Explanation:

Given that,

Force between the two charges (F) = 24x10² N

Negative charge (q1) = 8x10-5C

Positive charge (q2) = 3x10C

Distance between charges (r) = ?

Apply the formula for

F= (kq1q2) / r²

Recall that k is Coulomb's constant with a value of 9 × 10^9 Nm2C−2

Then,

24x10² N = (9 × 10^9 Nm2C−2 x 8x10-5C x 3x10C) / r²

24x10² N = (2.16 x 10^7) / r²

r² = (2.16 x 10^7 / 24x10² N)

r² = 9000

To get the value of r, find the square root

r = √9000

r = 94.868m (rounded to the nearest tenth as 94.9m)

Thus, a distance of 94.9 metres separates the charges.

What is the weight of a cat that has a mass of 7.02kg?73.4N
72.5N
68.8N
70.2N

Answers

Answer:

The last one 70.2N

Explanation:

Take the decimal and move it over one space

A train takes ms eaddy 200 miles north and 150 miles south. The total trip took 3.5 hours what was the average velocity of the train in MPG?

Answers

The whole point of this problem is to check how well you understand
the definitions of a few important quantities, like velocity, speed, distance,
displacement etc.

Before we begin, I just want to mention that 'MPG' is not a unit of either
velocity or speed, but I think I know what you mean.

-- For some reason, Ms. Eaddy rode 100 miles north on the train, then
stayed aboard while the train turned around and took her 150 miles south.
The total distance she rode was (100 + 150) = 250 miles.  But she ended up
50 miles south of where she began.

-- Displacement for the whole trip = distance and direction from the start point
to the finish point.

Displacement = 50 miles south

-- Average velocity = (displacement) / (time)

50 miles south / 3.5 hours = 14.29 miles per hour south