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scoray [572]
3 years ago
8

Pls reply... plss!! help me​

Physics
1 answer:
viktelen [127]3 years ago
7 0

Answer:

this is your solution

Explanation:

Answer-1 Iodine

Answer-2 Uterus

Answer-3 Adam's Apple

Answer-4 Distance

Answer-5 Carbon dioxide

Answer-6 Zygote

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Scientists have detected sound waves with frequencies as low as 13 Hz being produced by
Lena [83]

Answer:

The wavelength of the sound waves are, λ = 26.92 m

Explanation:

Given data,

The frequency of the sound waves, f = 13 Hz

The speed of sound waves in air, v = 350 m/s

The velocity of the wave in the medium is equal to the product of its wavelength and its frequency.

The formula for the wavelength of the waves is,

                            λ = v / f

Substituting the given values in the above equations,

                            λ = 350 m/s / 13 Hz

                               = 26.92 m

Hence, the wavelength of the sound waves are, λ = 26.92 m

4 0
4 years ago
A car travels a distance of 60 km in 2 hours. what is its speed in kilometers per hour?
White raven [17]

Answer:

30 kilometers per hour.

Explanation:

we know this by dividing 60 by 2

5 0
3 years ago
A flat loop of wire consisting of a single turn of cross-sectional area 7.80 cm2 is perpendicular to a magnetic field that incre
mihalych1998 [28]

Answer:

Explanation:

Area of crossection, A = 7.80 cm²

Initial magnetic field, B = 0.5 T

Final magnetic field, B' = 3.3 T

Time, t = 1 s

resistance of the coil, R = 1.2 ohm

The induced emf is given by

e=\frac{d\phi}{dt}=A\frac{B' - B}{t}

where, Ф is the rate of change of magnetic flux.

e = 7.80 x 10^-4 x (3.3 - 0.5) / 1

e = 2.184 mV

i = e/R

i = 2.184/1.2

i = 1.82 mA

4 0
3 years ago
If the coolant in an air conditioner has a lower temperature than the air in a building, then ____.
solmaris [256]
Heat always flows from higher temperature to lower temperature. So option A. heat will flow from the air into the coolant is the correct answer.

8 0
4 years ago
Read 2 more answers
A device for acclimating military pilots to the high accelerations they must experience consists of a horizontal beam that rotat
slava [35]

Answer: the angular frequency is 2.31 rad/s

Explanation:

The data we have is:

Radial acceleration A = 27.9 m/s^2

Beam length r = 5.21m

The radial acceleration is equal to the velocity square divided the radius of the circle (the lenght of the beam in this case)

And we can write the velocity as:

v = w*r where r is the radius of the circle, and w is the angular frequency.

w = 2pi*f

where f is the "normal" frequency.

So we have:

A = (v^2)/r = (r*w)^2/r = r*w^2

We can replace the values and find w.

27.9m/s^2 = 5.21m*w^2

√(27.9/5.21) = w = 2.31 rad/s

8 0
3 years ago
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