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mafiozo [28]
3 years ago
10

2.

Physics
1 answer:
mr Goodwill [35]3 years ago
5 0

Answer:

B

Explanation:

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A point moves on the x-axis in such a way that its velocity at time t (t > 0) is given by v=ln t/t . At what value of t does
Olenka [21]

Answer:

Explanation:

Given

Velocity of point is given by v=\frac{\ln t}{t}

To get maximum or minimum velocity differentiate v w.r.t t

\frac{\mathrm{d} v}{\mathrm{d} t}=\frac{\frac{1}{t}\times t-1\times \ln(t)}{t^2}

so 1-\ln (t) should be equal to zero

\ln (t)=1

t=e

i.e. t=2.718\ s

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an airplane traveling 245 m/s east expericences turbulence, so the pilot slows down to 230 m/s. it takes the pilot 7 seconds to
lana66690 [7]

Answer:

a=v-u/t

a=245-230/7

a=2

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2 years ago
By what factor should the length of the pendulum of a clock be changed if you want it to run 2 times faster?
Semenov [28]
You have to decrease the length of the pendulum by 4 times in order to make the clock go 2 times faster
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3 years ago
Read 2 more answers
What should Miguel do first and why? What type of healthcare professional will respond to the call?
Sergeeva-Olga [200]

Answer:

  1. Miguel should hand the phone over to a medical personnel.
  2. A nurse or a physician will respond to the call

Explanation:

From chapter 2 of the book: Medical Assisting: Administrative Skills, Miguel Perez is an administrative assistant. The duties of an administrative assistant in an healthcare professional setting range from performing medical clerical services like keeping patient's files organized, scheduling appointments and answering calls.

So, when a patient has medical concerns and calls the doctor's office, Miguel should answer the phone, know the patient's concerns, put the patient on hold and hand the phone over to a medical personnel - either a nurse or a physician. This is because Miguel is not a trained healthcare professional and cannot offer medical advice or assistance.

4 0
2 years ago
A parallel plate capacitor with capacitance C is connected to a power supply AV, acquiring a charge on its plates. While it is s
Sonja [21]

Answer:

b){{Q}'}=2.1Q

Explanation:

Given that

The power source still connects it means that the voltage difference will be same in above both condition

As we know that

Q=C\Delta V

Or we can say that

Q=\dfrac{\varepsilon _oA}{d}\Delta V    ----1

Where d is the distance between two plates ,A is the area.

When K=4.2 and distance become double

{Q}'=\dfrac{K\varepsilon _oA}{{d}'}\Delta V

{Q}'=\dfrac{4.2\varepsilon _oA}{2d}\Delta V    ----2

Now from equation 1 and 2

\dfrac{{Q}'}{Q}=\dfrac{4.2}{2}

So

{{Q}'}=2.1Q

 

8 0
3 years ago
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