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myrzilka [38]
4 years ago
7

Can you give me the definition of sound wave

Physics
2 answers:
Digiron [165]4 years ago
8 0
<span>a wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air.


hope this helps

</span>
katrin [286]4 years ago
3 0
A sound wave is a wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air.

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A 56.88 kg diver hits the water going 10 m/s. From what height in meters platform did she jump?
Otrada [13]

Answer:

its 10

Explanation:

if you search it up you will see

8 0
3 years ago
This is a table below
astra-53 [7]

Venus moves faster than earth because it move with a higher speed as compared to earth.

<h3>Is Venus move faster than earth?</h3>

Venus move with the speed of  35.02 km/s while on the other hand, the earth moves with the speed of  29.78 km/s. So due to more speed of Venus, the Venus completes its revolution earlier than earth.

So we can conclude that Venus moves faster than earth because it move with a higher speed as compared to earth.

Learn more about Venus here: brainly.com/question/2323914

#SPJ1

5 0
2 years ago
Which of the following is true of machines?
xz_007 [3.2K]
The right answer for the question that is being asked and shown above is that: "A. Machines increase the amount of force required to do a task. " The statement that is true about machines is that <span>A. Machines increase the amount of force required to do a task. </span>
6 0
3 years ago
The flash unit in a camera uses a special circuit to "step up" the 3.0 V from the batteries to 290 V, which charges a capacitor.
Margaret [11]

Answer:

Therefore the capacitance of the capacitor is 2.38 * 10⁻⁵F

Explanation:

We apply the concepts related to Power and energy stored in a capacitor.

By definition we know that power is represented as

P = \frac{E}{t}

Where,

E= Energy

t = time

to find the Energy we have,

E = P*t

P = 1*10^5Wt = 10*10^{-6}s

E= (1*10^5)(10*10^{-6})E = 1.0J

With the energy found we can know calculate the Capacitance in a capacitor through the energy for capacitor equation, that is

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

C = \frac{2E}{V^2}\\\\\\\frac{2\times 1 }{290^2 - 3^2\\} \\= 2.38 \times 10^-^5F

Therefore the capacitance of the capacitor is 2.38 * 10⁻⁵F

3 0
3 years ago
Read 2 more answers
A 1350 kg uniform boom is supported by a cable. The length of the boom is l. The cable is connected 1/4 the
olchik [2.2K]

Answer:

Tension= 21,900N

Components of Normal force

Fnx= 17900N

Fny= 22700N

FN= 28900N

Explanation:

Tension in the cable is calculated by:

Etorque= -FBcostheta(1/2L)+FT(3/4L)-FWcostheta(L)= I&=0 static equilibrium

FTorque(3/4L)= FBcostheta(1/2L)+ FWcostheta(L)

Ftorque=(Fcostheta(1/2L)+FWcosL)/(3/4L)

Ftorque= 2/3FBcostheta+ 4/3FWcostheta

Ftorque=2/3(1350)(9.81)cos55° + 2/3(2250)(9.81)cos 55°

Ftorque= 21900N

b) components of Normal force

Efx=FNx-FTcos(90-theta)=0 static equilibrium

Fnx=21900cos(90-55)=17900N

Fy=FNy+ FTsin(90-theta)-FB-FW=0

FNy= -FTsin(90-55)+FB+FW

FNy= -21900sin(35)+(1350+2250)×9.81=22700N

The Normal force

FN=sqrt(17900^2+22700^2)

FN= 28.900N

4 0
4 years ago
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