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Greeley [361]
3 years ago
12

How is everyone doing on this fine January da 12th?

Engineering
2 answers:
Kay [80]3 years ago
4 0
Great thanks for asking!
soldier1979 [14.2K]3 years ago
4 0

Answer:

Yes im doing fine how about your self?

Explanation:

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A helicopter moves horizontally in the x direction at a speed of 120 mi/h. Knowing that the main blades rotate clockwise when vi
devlian [24]

Answer:

The instantaneous axis of rotation=

x = 0 ; z = 8.4 ft

Explanation:

Given:

Speed of helicopter, Vo= 120 mi/h, converting to ft/sec, we have:

\frac{5280 * 120}{60*60}

= 176 ft/s

Angular velociyy, w = 220 rpm, converting to rad/sec, we have: \frac{200*2*pi}{60} =20.95 rad/s

The helicopter moves horizontally in the x direction at a speed of 120 mi/h, this means that the helicopter moves in the positive x direction at 120mi/h

To find the instantaneous axis of rotation of the main blades, we have:

Where Vc = 20.95 rad/s

Vo = 176 ft/s

z = \frac{V_0}{V_c} = \frac{176ft/s}{20.95rad/s}

= 8.4 ft

Therefore the axis of rotation=

x = 0 ; z = 8.4 ft

4 0
3 years ago
If the atomic radius of copper is 0.128 nm, calculate the volume of its unit cell in cubic meters.
Alex_Xolod [135]

Answer:

Volume of face centered cubic cell=4.74531*10^{-29} m^3

Explanation:

Consider the face centered cubic cell:

1 atom at each corner of cube.

1 atom at center of each face.

Consider the one face (ABCD) as shown in attachment for calculation:

Length of the all sides of face centered cubic cell is L.

Volume of face centered cubic cell= L^3

Now Consider the figure shown in attachment:

According to Pythagoras theorem on ΔADC.

L^{2}+L^2=(4a)^2     (a is the atomic radius)

L=\frac{4a}{\sqrt{2}} (Put in the formula of Volume)

Volume of face centered cubic cell= L^3

Volume of face centered cubic cell= (\frac{4a}{\sqrt{2}})^3

Volume of face centered cubic cell= (\frac{4(0.128*10^{-9}}{\sqrt{2}})^3

Volume of face centered cubic cell=4.74531*10^{-29} m^3

3 0
4 years ago
1.-¿Cómo actuaba el virus Miguel Ángel?
Black_prince [1.1K]
I don’t know so sorry about that
4 0
3 years ago
There are three different types of slings. What determines which type you use?
IgorLugansk [536]

Answer:

I think answer is The type of load, Environment factors

7 0
3 years ago
A STANDARDIZED RECIPE WILL ALWAYS MAKE A CONSISTENT quality AND CONSISTENT
Zielflug [23.3K]

Answer:

Quantity.

Explanation:

A standardized prescription is one that contains generic prescriptions indicated for a certain disease, that is, one that contains the basic treatments indicated for it, including drugs and treatments prescribed in uniform quantities and qualities for all patients. Thus, these recipes do not aim at the individual characteristics of the patient, but at the general characteristics of the diagnosed disease and its main treatments.

7 0
3 years ago
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