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3 years ago

Select the correct answer.

Physics

1 answer:

satela [25.4K]3 years ago

7 0

Answer:

all of the above

Explanation:

muscular endurance is the ability to be able to do muscular activities for a long period of time. The longer you do it, the better you can handle it and for longer.

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What force does the water exert (in addition to that due to atmospheric pressure) on a submarine window of radius 44.0 cm at a d

Butoxors [25]

Calculate the pressure due to sea water as density*depth.
That is,
pressure = (1025 kg/m^3)*((9400 m)*(9.8 m/s^2) = 94423000 Pa = 94423 kPa

Atmospheric pressure is 101.3 kPa
Total pressure is 94423 + 101.3 = 94524 kPa (approx)

The area of the window is π(0.44 m)^2 = 0.6082 m^2

The force on the window is
(94524 kPa)*(0.6082 m^2) = 57489.7 kN = 57.5 MN approx

3 0

4 years ago

A wave has 25 wavelengths in 5 secs. The frequency of the wave is _.

kati45 [8]

Heyyyy I wish I could help but I don’t know

7 0

3 years ago

Pls help thank you

DENIUS [597]

Punching a bag is a suitable example of the situation when the force applied to change shape of an object.

7 0

2 years ago

ne true-breeding line of mice is obese and dark, and the other true-breeding line is lean and light. Dark is dominant to light,

LenKa [72]

Answer:

$\frac{3}{8}$

Explanation:

Let the allele for dark color be represented by "D" and the allele for light color be represented by "d"

Also D is dominant over d

Similarly, let the allele for obese trait in mice be represented by "O" and the allele for lean trait in mice be represented by "L"

Obese and lean exhibit incomplete dominance

Genotype of true breeding dark and obese mice be DDOO

Genotype of true-breeding lean and light mice is ddLL

Offspring from F1 cross -

DdOL

F2 cross is between DdOL * DdOL

DO DL dO dL

DO DDOO DDOL DdOO DdOL

DL DDOL DDLL DdOL DdLL

dO DdOO DdOL ddOO ddOL

dL DdOL DdLL ddOL ddLL

dark and intermediate between obese and lean offspring genotype –

2 DDOL, 4 DdOL

So total six out of sixteen offspring are dark and intermediate between obese and lean -

$\frac{6}{16} \\\frac{3}{8}$

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4 years ago

The BEST description of a light-year is A) the speed of light in a vacuum. B) the age of a one-year-old star. C) the distance li

Deffense [45]

C is the answer
D is impossible
A and B are false

Hope this helps!

Please crown;)

5 0

3 years ago