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ICE Princess25 [194]
3 years ago
9

Turning a screw with a screwdriver pushes the screw into the wood. The force is __________ over many turns

Engineering
1 answer:
IrinaK [193]3 years ago
5 0

Answer:

repeated?

Explanation:

not really sure what type of answer choices you have

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Please help me with this. Picture
Tamiku [17]

Answer:

in so confused

Explanation:

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7 0
3 years ago
The barrel of a bicycle tire pump becomes quite warm during use. Explain the mechanisms responsible for the temperature increase
Alexeev081 [22]

Answer:

The air heats up when being compressed and transefers heat to the barrel.

Explanation:

When a gas is compressed it raises in temperature. Assuming that the compression happens fast and is done before a significant amount of heat can be transferred to the barrel, we could say it is an adiabatic compression. This isn't exactly true, it is an approximation.

In an adiabatic transformation:

P^{1-k} * T^k = constant

For air k = 1.4

SO

P0^{-0.4} * T0^{1.4} = P1^{-0.4} * T1^{1.4}

T1^{1.4} = \frac{P1^{0.4} * T0^{1.4}}{P0^{0.4}}

T1^{1.4} = \frac{P1}{P0}^{0.4} * T0^{1.4}

T1 = T0 * \frac{P1}{P0}^{0.4/1.4}

T1 = T0 * \frac{P1}{P0}^{0.28}

SInce it is compressing, the fraction P1/P0 will always be greater than one, and raised to a positive fraction it will always yield a number greater than one, so the final temperature will be greater than the initial temperature.

After it was compressed the hot air will exchange heat with the barrel heating it up.

5 0
3 years ago
Which color is used to indicate that a wire will be energized when power is brought to the circuit
shtirl [24]

Answer:

I think the answer is B. Black

4 0
3 years ago
A team member who has been a good worker for many years has recently been doing poor work. You suspect that he may be tired of h
ohaa [14]

Answer:

You must follow the steps below to deal with employees who have poor performance. I hope that you will be able to handle all the issues after reading this answer.

Explanation:

Be specific with facts in hand

It is important to confront your employees about their respective actions. But to convince them about their withdrawal from lack of interest, it is imperative to have a consistent record at hand as well. For example, if the employee has been constantly delayed for a period of time, specify the precise details about the frequency and intensity of absenteeism. Be sure not to overdo your statements or use hard phrases to reduce employee self-esteem. Just be direct and precise. Reiterate the guidelines accordingly.

Consider the needs of your employees

Poor performance is not always the result of an employee's carelessness. There can be multiple genuine reasons for lack of performance and it can vary from person to person. The first is to understand the reason and judge whether they are genuine or not. Even if they aren't, don't let the other person know. Focus on your concerns and provide solutions accordingly. For example, if your employees cannot focus on their work due to some personal stress, make appointments for the counseling sessions and make sure they can get back on track.

Focus on feedback

Everyone handles comments differently. Although it is always recommended to be direct and clear in your communication, there may be certain strategies you can adopt to communicate your comments effectively. If your employee has difficulties in achieving his goals, work with him and provide him with all the necessary help to improve his performance. The best way is to provide weekly or monthly comments to your employees, so they know what they must do to achieve their goals.

Provide Performance Support Technology

When faced with existing employees who do not meet expectations, it is a smart decision to offer them training (and / or training) and different resources to help them improve. As an example, you can combine a low-performance worker with someone to act as a mentor or offer you a manual with the procedures to follow. In addition, there are performance improvement tools: WalkMe is a very valuable technology that can help a worker be more efficient and precise, within the workflow (and not take them away from their daily tasks).

Offer rewards and recognition

Whenever you see that your employees have poor performance, it is always better to adopt a carrot and stick approach for instant and consistent improvement. It is a combination of rewards and punishments that you can induce for the best and worst weekly or monthly performance. This has proven to be one of the best ways to combat low performance problems in companies of all kinds for centuries.

Facing low-performance workers for the first time may not be too encouraging for managers as well, but having an adequate system to deal with them is essential, especially during the performance of change management. It is always better to deal with such situations, instead of ignoring them, to maintain the consistency of productivity and profitability in the business.

8 0
4 years ago
What method is most likely to be used to measure the
kari74 [83]

Answer:

Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure and display pressure in an integral unit are called pressure meters or pressure gauges or vacuum gauges.

8 0
3 years ago
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