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snow_tiger [21]
3 years ago
9

How does a sound wave transfer energy to your ears?

Physics
2 answers:
igor_vitrenko [27]3 years ago
7 0
Choice-D is the correct description of the longitudinal sound wave.
blondinia [14]3 years ago
5 0

Your answer is choice D! I just needed help on this question and I looked it up and all the answers were different so I clicked on D and got it corrrect

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An open system starts with 52 J of mechanical energy. The energy changes
Vikki [24]

Answer:

47 J

hope it helps u

thanks for easy ask

3 0
3 years ago
A 1500 kg car traveling to the north is slowed down uniformly from initial velocity of 20 m/s by a 6000 N braking force acting o
aev [14]

Answer:

12 m/s

Explanation:

Given data

Mass m= 1500kg

intitial velocity u= 20m/s

force F= 6000N

time t= 2 seconds

Required

The final velocity v

From

Ft= mΔv

Ft= m(u-v)

substitute

6000*2= 1500(20-v)

solve for v

12000= 30000- 1500v

collect like terms

12000-30000= -1500v

-18000= -1500v

divide both sides by  -1500v

v= 18000/1500

v=12 m/s

Hence the velccity is 12 m/s

3 0
3 years ago
The cover of a book has an area of 450 centimeters with the power of 2 the book has a height of 4 centimeters what is the book's
Arada [10]
Don't you just have to multiply them together but after u do the exponent?
7 0
3 years ago
BRAINLIEST WILL BE MARKED FOR THE FIRST ANSWER
Andreyy89

Answer:

98.4 N

Explanation:

Given that the body weighs 800 N on earth.

Thus,

Weight = mass x acceleration due gravity

i.e W = mg

800 = m x 10

m = \frac{800}{10}

   = 80 kg

The mass of the body is 80 kg.

To be able to determine its weight on the planet, we have to first calculate the gravitational pull of the planet.

But,

g = \frac{GM}{r^{2} }

Where: G is the Newton's universal gravitation, M is the mass of the planet and r is the radius of the planet.

g = \frac{6.674*10^{-11} *2.986*10^{24} }{(12.742*10^{6})^{2} }

  = \frac{1.9929*10^{14} }{1.6236*10^{14} }

  = 1.2275

g = 1.23 m/s^{2}

Thus,

Weight of the body on the planet = mg

                          = 80 x 1.23

                          = 98.4 N

The weight of the body on the planet is 98.4 N

4 0
3 years ago
What happens when a electron and a proton get close together?
Vladimir79 [104]

Answer:

it leads to attraction, only because the total energy of the electron is negative. Therefore the electron moves closer to the proton rather than farther from it an attractive force.... Electrons are negatively charged and protons are positively charged.

5 0
3 years ago
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