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valina [46]
3 years ago
8

Fill in the blank.

Physics
2 answers:
zubka84 [21]3 years ago
7 0

Answer:

louder

Explanation:

the more intense the sound is produced has a larger amplitude oscillations and has greater pressure maxima and minima.

Sergio [31]3 years ago
3 0

Answer:

If two sound waves differ in intensity, the wave that is more intense sounds_________.

Answer: Louder

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A 50-g cube of ice, initially at 0.0°C, is dropped into 200 g of water in an 80-g aluminum container, both initially at 30°C.
MakcuM [25]

Answer:

b. 9.5°C

Explanation:

m_i = Mass of ice = 50 g

T_i = Initial temperature of water and Aluminum = 30°C

L_f = Latent heat of fusion = 3.33\times 10^5\ J/kg^{\circ}C

m_w = Mass of water = 200 g

c_w = Specific heat of water = 4186 J/kg⋅°C

m_{Al} = Mass of Aluminum = 80 g

c_{Al} = Specific heat of Aluminum = 900 J/kg⋅°C

The equation of the system's heat exchange is given by

m_i(L_f+c_wT)+m_wc_w(T-T_i)+m_{Al}c_{Al}=0\\\Rightarrow 0.05\times (3.33\times 10^5+4186\times T)+0.2\times 4186(T-30)+0.08\times 900(T-30)=0\\\Rightarrow 1118.5T-10626=0\\\Rightarrow T=\dfrac{10626}{1118.5}\\\Rightarrow T=9.50022\ ^{\circ}C

The final equilibrium temperature is 9.50022°C

4 0
3 years ago
State any two effects of gravitational force​
Dmitry_Shevchenko [17]
Connection to Big Idea about energy: Gravity creates gravitational potential energy. Gravitational energy relies on the masses of two bodies and their distance.

Connection to Big Idea about the universe: Gravitational force is exerted by all objects with mass throughout the Universe. It is what keeps the Earth and the planets in orbit around the Sun, and our Solar System in orbit around the centre of the Milky Way. Gravity is one of the forces involved in the birth of stars, their evolution and finally their death.

Connection to Big Idea about Earth: The gravitational force is responsible for many physical properties of Earth and consequently it affects the existence and the properties of living creatures on it. For instance, the existence, the chemical composition and the structure of Earth’s atmosphere was determined by Earth’s gravitational force.

3 0
3 years ago
The James Webb Space Telescope will be the largest telescope ever put into space and will replace the Hubble Space Telescope. It
Nikolay [14]

Answer:

B : It will avoid the distortion from the atmosphere and give scientists more accurate data

Explanation:

5 0
3 years ago
A 75.0 kg ball is rolling at a speed of 57.0 m/s. Calculate the ball’s momentum.
Lubov Fominskaja [6]

4275.

To find momentum you just have to multiply mass and velocity.

4 0
2 years ago
A magnifier allows one to look at a very near object by forming an image of it farther away. The object appears larger. To creat
Mashcka [7]

In order to create a magnifier in convex lens, you should choose a short focal length that is lesser than 1 meter.

<h3>What is a convex lens?</h3>

A convex lens is also referred to as converging lens and it can be defined as a type of lens that typically causes parallel rays of light with respect to its principal axis to come to a focus (converge) and form a real image.

In Science, a magnifier refer to an optical instrument that allow us to look at a very near object because its image is generally formed farther away. Thus, the image of the object appears to be much larger.

In this context, you should choose a short focal length that is lesser than 1 meter when you want to create a magnifier in convex lens because the nearer the object is to the lens, the larger would be the image formed.

Read more on convex lens here: brainly.com/question/10153605

6 0
2 years ago
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