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bekas [8.4K]
3 years ago
9

Whose job is it to ensure that a group stays focused and on schedule?

Engineering
2 answers:
Sedbober [7]3 years ago
3 0

Answer:

the leader or organizer. you should have assigned jobs, so one of them should be in charge. if you did not assign jobs, assign them now, and one person has a job, and they must be held accountable. if they cannot do their job, someone might have to take over, but then you tell your prof. that they could not do their part, so hopefully you will get the credit you deserve and they will not.

Explanation:

DENIUS [597]3 years ago
3 0
After jobs are assigned it should be the leader. They should be making sure everyone is on task and doing what they’re supposed to be doing. The leader keeps everyone from wandering off task.
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Which option identifies the tool best to use in the following scenario?
Lena [83]

Answer:

an Allen wrench

Explanation:

it is hexagonal

3 0
3 years ago
Determine the speed of sound in air at 400 K. Also determine the Mach number of an aircraft moving in the air at a velocity of 3
Reika [66]

Answer:

\alpha = \sqrt{1.4 *0.287 \frac{KJ}{Kg K}*\frac{1000J}{1KJ} *400 K}= 400.899 m/s

Ma= \frac{310 m/s}{400.899 m/s}= 0.773

Explanation:

For this case we have given the following data:

T= 400 K represent the temperature for the air

v = 310 m/s represent the velocity of the air

k = 1.4 represent the specific heat ratio at the room

R = 0.287 KJ/ Kg K represent the gas constant  for the air

And we want to find the velocity of the air under these conditions.

We can calculate the spped of the sound with the Newton-Laplace Equation given by this equation:

\alpha = \sqrt{\frac{K}{\rho}}=\sqrt{k RT}

Where K = is the Bulk Modulus of air, k is the adiabatic index of air= 1.4, R = the gas constant  for the air, \rho the density of the air and T the temperature in K

So on this case we can replace and we got:

\alpha = \sqrt{1.4 *0.287 \frac{KJ}{Kg K}*\frac{1000J}{1KJ} *400 K}= 400.899 m/s

The Mach number by definition is "a dimensionless quantity representing the ratio of flow velocity past a boundary to the local speed of sound" and is defined as:

Ma=\frac{v}{\alpha}

Where v is the flow velocity and \alpha the volocity of the sound in the medium and if we replace we got:

Ma= \frac{310 m/s}{400.899 m/s}= 0.773

And since the Ma<0.8 we can classify the regime as subsonic.

7 0
3 years ago
Vocabulary review for shop
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3 years ago
Consider a boundary layer along a thin plate. This problem involves the following parameters such as boundary layer thickness de
Rama09 [41]

Answer:

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6 0
3 years ago
A mass of 7 kg undergoes a process during which there is heat transler frorn the mass at a rate of 2 kJ per kg, an elevation dec
irinina [24]

Answer:44.61 KJ

Explanation:

Let h_1,V_1,Z_1 be the initial specific enthalpy,velocity&elevation of the system

and h_2,V_2,Z_2 be the Final specific enthalpy,velocity&elevation of the system

mass(m)=7kg

Applying Steady Flow Energy Equation

m\left [ h_1+\frac{v_1^2}{2g}+gZ_1\right ]+Q=\left [ h_2+\frac{v_2^2}{2g}+gZ_2\right ]+W

h_1-h_2=4 KJ/kg

V_1=13m/s

V_2=23m/s

Z_1-Z_2=40m

substituting values

7\left [ h_1+\frac{13^{2}}{2g}+gZ_1\right ]+7\times2 = \left [ h_2+\frac{23^2}{2g}+gZ_2\right ]+W

W=7\left [h_1-h_2+\frac{V_1^2-V_2^2}{2000g}+g\frac{\left (Z_1-Z_2 \right )}{1000}\right ]+Q

W=7\left [4+\frac{13^2-23^2}{2000g}+g\frac{\left (40 \right )}{1000}[\right ]+2\times 7

W=44.61KJ

4 0
3 years ago
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