4 years ago

Anaerobic means “without oxygen”. Question 1 options: True False

Physics

1 answer:

drek231 [11]4 years ago

8 0

That's true...
anaerobic has to do without involving oxygen

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A wye-connected load has a voltage of 480v applied to it. What is the voltage drop across each phase

rodikova [14]

Answer:

$Y_A=277.128 \angle 30v$

$Y_B=277.128 \angle (-150)v$

$Y_C=277.128 \angle (90)v$

Explanation:

From the question we are told that

Voltage $V_L_L =480v$

Generally in a case of Y_connection $V_p_ h$ is mathematical represented as

$V_p_h=\frac{V_l_l}{\sqrt{3}} \angle (\phi-30)v$

Generally voltage drop across phase A

$Y_A=\frac{408}{\sqrt{3}} \angle -(0-30)$

$Y_A=277.128 \angle 30v$

Generally voltage drop across phase B

$Y_B=277.128 \angle (-30-120)$

$Y_B=277.128 \angle (-150)v$

Generally voltage drop across phase C

$Y_C=277.128 \angle (-30+120)$

$Y_C=277.128 \angle (90)v$

3 0

3 years ago

What is the weight of a<br> 63.7 kg person?

IRINA_888 [86]

Answer:

A person that weighs 63.7 kg weighs 63.7 kg

Explanation:

Too complicated to explain.

6 0

3 years ago

Read 2 more answers

Which of these does NOT result in the acceleration of an object?

Zanzabum

I guess the correct answer is the first one.

6 0

3 years ago

Read 2 more answers

The balls velocity started at 20m/s and increased to 40 m/s in 3 seconds. What was the

Gnoma [55]

Answer:

$a = \frac{20}{3} \frac{m}{s {}^{2} }$

Explanation:

The formula for velocity is:

$v = vo - a \times t$

Where

$vo$

is the ball's initial velocity.

solving for a:

$40 = 20 + a \times t \\ 20 = a \times t \\ 20 = 3a \\ a = \frac{20}{3}$

6 0

3 years ago

(Double points) A mechanic used a wrench 0.6 meters long to loosen rusted lug nuts on a truck wheel. By standing on the end of t

Korolek [52]

Answer:

Torque, $\tau=588\ N-m$

Explanation:

It is given that,

Length of the wrench, l = 0.6 m

Mass of the wrench, m = 100 kg

We know that the torque applied by mechanic is given by :

$\tau=Fl$

$\tau=mgl$

$\tau=100\times 9.8\times 0.6$

$\tau=588\ N-m$

So, the torque applied by the mechanic is 588 N-m. Hence, this is the required solution.

3 0

3 years ago