All categories

3 years ago

What is measurement?

Physics

1 answer:

ValentinkaMS [17]3 years ago

4 0

Answer:

the process of associating numbers with physical quantities and phenomena.

You might be interested in

What property of light shown in the picture?

kupik [55]

Answer:

Explanation:

Reflection

8 0

3 years ago

Read 2 more answers

Two children are riding on a merry-go-round that is rotating with a constant angular speed. Abbie is one meter from the center o

klio [65]

Answer:

The acceleration of Abbie is half of the Zak's.

Explanation:

The centripetal acceleration of an object on a circular path is given by :

$a=r\omega^2$

Two children are riding on a merry-go-round that is rotating with a constant angular speed. Let $r_1$ is distance of Abbie from the merry-go-round and $r_2$ is distance of Zak's from the merry-go-round. Acceleration of Abbie is :

$a_1=r_1\omega^2$ ...... (1)

$r_1=1\ m$

Acceleration of Zak's is :

$a_2=r_2\omega^2$ .......(2)

$r_2=2\ m$

Dividing equation (1) and (2) we get :

$\dfrac{a_1}{a_2}=\dfrac{r_1}{r_2}\\\\\dfrac{a_1}{a_2}=\dfrac{1}{2}\\\\a_1=\dfrac{a_2}{2}$

So, the acceleration of Abbie is half of the Zak's.

7 0

3 years ago

Mrs. Gonzalez is about to give birth and Mr. Gonzalez is rushing her to the hospital at a speed of 30.0 m/s. Witnessing the spee

valina [46]

Answer: The frequency = 1714.3Hz

Explanation: The solution can be achieved by using doppler effect formula.

Since the source is moving toward the observer, the velocity of the observer will be positive.

Please find the attached file for the solution

3 0

3 years ago

Solve for x using Pythagorean theorem

Allisa [31]

From the Pythagorean theorem, we have

$(2x)^2 + (3x)^2 = (\sqrt{52})^2$

Simplifying both sides gives

$4x^2 + 9x^2 = 52 \\\\ 13x^2 = 52 \\\\ x^2 = \dfrac{52}{13} = 4 \\\\ x = \pm\sqrt4 = \pm2$

But we're talking about lengths, which can't be negative, so <em>x</em> = 2.

6 0

3 years ago

Term for an atom whose electrons have the lowest possible energies

liberstina [14]

Answer:

Ground State.

Explanation:

Term used for electrons in an atom at their lowest possible energies is called Ground state. Also, it electrons are said to be in excited state when they gain some energy and jump to higher states. the electrons in excited state is always more than in their ground state.

3 0

4 years ago

What is measurement?​

What is measurement?