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svetlana [45]
3 years ago
14

Plz quick I'll give brainlest ....Which one of the following is wrong statement?

Physics
2 answers:
erastova [34]3 years ago
7 0

<em>OPTION</em><em> </em><em>B</em><em>)</em><em> </em><em>THE</em><em> </em><em>SPEED</em><em> </em><em>OF</em><em> </em><em>SOUND</em><em> </em><em>IN</em><em> </em><em>STONE</em><em> </em><em>IS</em><em> </em><em>SLOWER</em><em> </em><em>THAN</em><em> </em><em>IN</em><em> </em><em>WOOL</em><em> </em><em>--</em><em> </em><em>FALSE</em><em> </em>

Explanation:

A) YES ALL MATERIALS CAN TRANSMIT SOUND.

C) YES SOUND CANNOT MOVE IN VACUUM.

D) YES SOUND LOSES ITS ENERGY AS IT TRAVELS.

THIS THREE OPTION ARE TRUE. BUT OPTION B) IS WRONG.

<em>HOPE</em><em> </em><em>IT</em><em> </em><em>HELP</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>❤</em><em>❤</em><em>❤</em>

scoundrel [369]3 years ago
6 0

Answer:

B. The speed of sound in stone is slower than in wool.

Explanation:

A. All materials can transmit sound. True

Solids, liquids and gases can transmit sound even though the degree of transmission varies.

C. Sounds cannot move in vacuum. True

Sound cannot transmit in space. You can prove it using the "bell jar" experiment.

D. Sound loses its energy as it travels. True

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a car advertisement states that a certain car can accelerate from rest to 70km/h in 7 seconds. find the cars acceleration
ELEN [110]
<span>a = (v2 - v1)/t= acceleration formula

a = (70 - 0)/7
a = 10 km/hr/sec
-----
It's better to use as few units as possible.
10 km/hr = 10 km*1000 m/km/(1 hr*3600 sec/hr) = 25/9 m/sec
a= 25/9 m/sec/se</span>
4 0
3 years ago
A resistor, capacitor, and switch are all connected in series to an ideal battery of constant terminal voltage. Initially, the s
erma4kov [3.2K]

Answer:

The voltage across the resistor is zero, and the voltage across the capacitor is equal to the terminal voltage of the battery.

Explanation:

This is because when a capacitor is charged no current or voltage flows through it so it will have a voltage equal to the terminal voltage of the battery

6 0
3 years ago
How far away is mars?
Elanso [62]

Answer:

about: 110.14 million mi

Explanation:

the distance to Mars from Earth is 140 million miles (225 million kilometers).But, distance to Mars from Earth is constantly changing.

Hope that was helpful.Thank you!!!

3 0
3 years ago
Read 2 more answers
A spring is compressed 0.035 m inside a dart gun. (K=500 N/m). The spring has elastic energy. Calculate it.
NARA [144]

The elastic potential energy of the spring is 0.31 J

Explanation:

The elastic potential energy of a spring is given by

E=\frac{1}{2}kx^2

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For the spring in this problem, we have:

k = 500 N/m (spring constant)

x = 0.035 m (compression)

Substituting, we find the elastic potential energy:

E=\frac{1}{2}(500)(0.035)^2=0.31 J

Learn more about potential energy:

brainly.com/question/1198647

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3 years ago
Need Help with this physics question, just a written response
Nadusha1986 [10]

Answer:

Explanation:

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so it tells us that the force exerted by the earth on the spacecraft is equal to the force exerted by the spacecraft on the earth. But we do not see the earth moving towards the spacecraft because the inertia of the spacecraft is very less than the inertia of the earth.

3 0
3 years ago
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