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2 years ago

Which of the following statements about blood alcohol concentration (BAC) are true?

Physics

2 answers:

mars1129 [50]2 years ago

5 0

D) Neither A or B are correct

KonstantinChe [14]2 years ago

3 0

Answer:

C: Both A and B are true

Explanation:

From DUI(Driving under influence) laws in most states in America, the DUI rule for underage individuals is that, it's illegal for an under 21 individual to have a blood alcohol content (BAC) of 0.08% or higher.

Now, in many states, it could a bit flexible with some considerations like, having the BAC to be as low as 0.02% or below or even having zero tolerance as the case may be.

Many of the states also have lose laws as well to this effect.

However, looking at the options, the correct ones will be options A & B because most states exhibit either options.

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A uniform magnetic field B=5.210 T is perpendicular to the plane of the paper (into the page). The current-carrying wire of valu

ehidna [41]

Answer:5.21 N

Explanation:

Given

B=5.210 T

I=2 A

L=0.5 m

Given Wire is perpendicular to Magnetic field

$\theta =90^{\circ}$

$F=IL\times B$

$F=BIL sin\theta$

$F=5.210\cdot 2\cdot 0.5 sin(90)$

F=5.210 N

as 1 Tesla =1 N/A/m

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2 years ago

If you run 40 meters in 60 seconds what is your average speed

Vikentia [17]

1.49 MPH (Miles Per Hour)

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2 years ago

Read 2 more answers

Measurements made on an operating centrifugal pump indicate that for a flow rate of 240 gpm, 6 HP are being consumed. The operat

Ludmilka [50]

Answer:

62.1 ft

Explanation:

We know that $1 gpm= 0.0022 ft^{3}/s$ hence 240 gpm will be

$240*0.0022=0.528 ft^{3}/s$

From the formula of obtaining efficiency

$\eta=\frac {\gamma Q h_a}{500W_{in}}$ and making $h_a$ the subject we have

$h_a=\frac {\eta*550*W_{in}}{\gamma Q}$ where Q is flow rate, $\gamma$ is specific weight of water, $h_a$ is actual head rise and $W_{in}$ is the power input to the compressor

Substituting 0.62 for $\eta$ , 6hp for $W_{in}$ , $62.4 lb/ft^{3}$ for $\gamma$ and $0.528 ft^{3}/s$ for Q then

$h_a=\frac {0.62*550*6}{62.4*0.528}=\frac {2046}{32.9472}=62.09936\approx 62.1 ft$

Therefore, actual head rise of the water being pumped is 62.1 ft

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2 years ago

A potter's wheel moves from rest to an angu-

dusya [7]

Answer:

angular acceleration =<u>final angular speed + initial angular speed</u>

time

=<u>0.6283rad/s +0</u>

24.6s

=0.6283/24.5

=0.025rad/s^2

Explanation:

first angular speed is equal to angular velocity and we will convert the unit to rad/s so 1rev/sec=6.283rad/s then angular acceleration is the rate at which the angular velocity changes with the time we have the final angular velocity,initial angular velocity and time now substitute the numbers in the formula and the value will be 0.025 rad per seconde square

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2 years ago

A nucleus containing only two protons and nothing else does not exist what does the nucleus with more than one proton neutron an

marta [7]

Stability of an atom

Explanation:

Neutrons are subatomic particles in atom that ensures that an atom is stable. Every atom has a particular neutron to proton ratio that determines how stable they are.

Neutrons are particles that are located in the nucleus of an atom.
They do not carry any charge and have a comparable mass with that of electrons.
For every atomic nucleus, a specific neutron/proton ratio exists that ensures the stability of the nucleus.
Any nucleus with a neutron/proton combination different from its stability ratio will be unstable and split up.

Learn more:

Neutrons brainly.com/question/1264222

#learnwithBrainly

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2 years ago