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3 years ago

9. The repair order is a legal document because

Physics

2 answers:

iogann1982 [59]3 years ago

8 0

Answer:

Explanation:

for ot to be legal the shop owner should sing it

Readme [11.4K]3 years ago

7 0

Answer:

The answer is b it's signed by the customer

When you sign it, you have agreed to the deal and will carry out what the deal says. It's a mark of proof that you have agreed to follow it.

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Why is velocity and not just speed important to these pilots?

horrorfan [7]

We're not sure which pilots you're talking about, but we can be sure
that whichever ones they are, velocity is more important to them than
just plain speed is.

Velocity is speed AND its direction. I can clearly recall that when I was
taking flying lessons, and later flying solo with nobody else in the airplane
to get me out of a jam, it was not enough to know that my airspeed was
90 miles per hour. I also needed to know at ALL times that my velocity
was NOT pointed straight at the ground.

Happily, I knew, even back then, the difference between velocity and
just-plain-speed, and I'm sure that that is a big part of the reason that
I am here today to tell you the tale.

6 0

3 years ago

Ummm Help? What best describes the expectancy theory of motivation?

iogann1982 [59]

Answer:

I strongly feel its 1.

Explanation:

the expectancy theory of motivation is basically getting an reward for a great accomplishment so 1 would make the most sense in this question, lmk if its wrong

4 0

3 years ago

A block with mass m =6.4 kg is hung from a vertical spring. When the mass hangs in equilibrium, the spring stretches x = 0.28 m.

Zanzabum

Answer

given,

mass of block (m)= 6.4 Kg

spring is stretched to distance, x = 0.28 m

initial velocity = 5.1 m/s

a) computing weight of spring

k x = m g

$k = \dfrac{mg}{x}$

$k = \dfrac{6.4 \times 9.8}{0.28}$

k = 224 N/m

b) $f = \dfrac{\omega}{2\pi}$

$\omega = \sqrt{\dfrac{k}{m}}= \sqrt{\dfrac{224}{6.4}} = 5.92 \ rad/s$

$f = \dfrac{1}{2\pi}\sqrt{\dfrac{k}{m}}$

$f = \dfrac{1}{2\pi}\sqrt{\dfrac{224}{6.4}}$

$f =0.94\ Hz$

c) $v_b = -v cos \omega t$

$v_b = -5.1 \times cos (5.92 \times 0.42)$

$v_b = 4.04\ m/s$

d) $a_{max} = v \omega$

$a_{max} = 4.04 \times 5.92$

$a_{max} =23.94\ m/s^2$

e) $Y =- A sin (\omega t)$

$A = \dfrac{v}{\omega}$

$A = \dfrac{4.04}{5.92}$

A = 0.682 m

$Y =- 0.682 \times sin (5.92 \times 0.42)$

$Y =- 0.42$

Force = $m \omega^2 |Y|$

= $6.4 \times 5.92^2\times 0.42$

F = 94.20 N

4 0

4 years ago

We often refer to the electricity at a typical household outlet as being 120 V. In fact, the voltage of this AC source varies; t

astra-53 [7]

Explanation:

We often refer to the electricity at a typical household outlet as being 120 V. In fact, the voltage of this AC source varies; the 120 V is "the rms value of the voltage".

The rms value of voltage is given by :

$V_{rms}=\dfrac{V_{pk}}{\sqrt{2}}$