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3 years ago

15

What is the temperature at which the liquid reach the top of the straw or highest temperature you were able to get without the b

ottle overflowing

1 answer:

ivanzaharov [21]3 years ago

8 0

Answer:

Boiling point is 100 c

Explanation:

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When making a sound source near a reflective surface, such as making a person at a podium, the sound can reflect off of the surf

Liula [17]

Answer:

1. By removing the reflector or reflecting elements

2. By using absorbing material on the reflecting surfaces.

Explanation:

To solve problems caused by reflecting surfaces, you can remove the reflector or reflecting elements. However, sometimes it is enough to turn/move the reflecting element and change the reflections. Furthermore, using absorbing material on the reflecting surface can help reduce comb filtering as well.

In some cases, it is possible to place the sound source so close to the reflecting surface, that there is no suspension between the direct sound and the reflected sound.

5 0

3 years ago

Find the magnitude of vector A = i - 2j + 3k O V14 10 O4

Angelina_Jolie [31]

Answer:

$|A|=\sqrt{1^2+(-2)^2+(3)^2}=3.74$

Explanation:

Given that,

Vector $A=i-2j+3k$ ............(1)

We need to find the magnitude of vector A. Let us suppose vector in the form of, R = xi + yj + zk. Its magnitude is given by :

$|R|=\sqrt{x^2+y^2+z^2}$

In equation (1),

x = 1

y = -2

z = 3

So, the magnitude of vector A is given by :

$|A|=\sqrt{1^2+(-2)^2+(3)^2}$

|A| = 3.74

So, the magnitude of given vector is 3.74. Hence, this is the required solution.

6 0

3 years ago

If an atom had 35 protons in the nucleus how many electrons will it have orbiting the nucleus ?

Amanda [17]

Answer:

If it isn't an ion it should have 35 elektrons to cancel the positivity of the nucleus.

7 0

3 years ago

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Fan object moves in uniform circular motion in a circle of radius R=200 meters, and the objectes 5.00 seconds to

Leviafan [203]

Answer:

The centripetal acceleration of the object is $31550.72\ m/s^2$ .

Explanation:

We have,

Radius of a circular path is 200 m

It takes 5 seconds to complete 10 revolutions. The angular velocity of the object is given by the rate of change of angular displacement per unit time :

$\omega=\dfrac{\Delta \theta}{\Delta t}\\\\\omega=\dfrac{2\pi \times 10}{5}\\\\\omega=12.56\ rad/s$

The centripetal acceleration of the object is given by :

$a=\omega^2 r\\\\a=(12.56)^2 \times 200\\\\a=31550.72\ m/s^2$

So, the centripetal acceleration of the object is $31550.72\ m/s^2$ .

6 0

3 years ago

A particular star is white. Another star that is much hotter is expected to be ______.

jenyasd209 [6]

Blue

hope this helps :)

4 0

3 years ago

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