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Andrews [41]
4 years ago
6

Peter notices that his eight-year-old daughter frequently mentions the unusual habits of a new boy, who is from a different cult

ure, at her school. What action should Peter take?
A. ask his daughter to stay away from the new boy

B. raise an issue with the school administrators over admitting students from another culture

C. encourage his daughter to make friends the new boy

D. meet the new boy’s parents and tell them to keep their kid away from his daughter

E. not bother much with the new boy because he is from a different culture
Physics
1 answer:
pickupchik [31]4 years ago
6 0
The answer should be C. Encourage his daughter to make friends with the new boy.

Hope this helps and have a happy new year
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An AC source operating at 59 Hz with a maximum voltage of 170 V is connected in series with a resistor (R = 1.2 kΩ) and an induc
Alexxandr [17]

I = V/Z

V = voltage, I = current, Z = impedance

First let's find the total impedance of the circuit.

The impedance of the resistor is:

Z_{R} = R

R = resistance

Given values:

R = 1200Ω

Plug in:

Z_{R} = 1200Ω

The impedance of the inductor is:

Z_{L} = j2πfL

f = source frequency, L = inductance

Given values:

f = 59Hz, L = 2.4H

Plug in:

Z_{L} = j2π(59)(2.4) = j889.7Ω

Add up the individual impedances to get the Z, and convert Z to polar form:

Z = Z_{R} + Z_{L}

Z = 1200 + j889.7

Z = 1494∠36.55°Ω

I = V/Z

Given values:

V = 170∠0°V (assume 0 initial phase)

Z = 1494∠36.55°Ω

I = 170∠0°/1494∠36.55°Ω

I = 0.1138∠-36.55°A

Round the magnitude of I to 2 significant figures and now you have your maximum current:

I = 0.11A

5 0
3 years ago
Compare an earthquake with a Richter scale magnitude of 5.5 to one with a magnitude of 7.5.
maksim [4K]
The 7.5 is a 100 times stronger than the 5.5 . The 100 comes from the increase in scale from 5.5 to 7.5 which is an increase of two so you multiply the strength of the weaker earthquake 10^7-5=10^2=100 and that gives you the strength of the stronger earthquake!
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3 years ago
An auto repair technician who specializes in the installation, troubleshooting, and repair of heating and air conditioning syste
Arisa [49]
C is the correct answer
7 0
3 years ago
TAKE 100 POINTS!!!please help look the picture​!!!!​
UNO [17]

Answer:

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4 0
3 years ago
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Two men standing on the same side of wall and at the same distance from It, such that they are 4oom apart when one fires a gun t
Mamont248 [21]

Answer:

1. 571.43m/s

2. 142.9m and 342.9m

Explanation:

1.Take the difference in time.

1.2-0.7=0.7 seconds

Take the distance between them and divide with differnce in time.

400÷0.7=571.43 seconds.

2.Take the time of the two men and divide by two.

0.5÷2= 0.25 secs

1.2÷2= 0.6 secs

multiply each with the velocity.

0.25×571.43=142.9m

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8 0
2 years ago
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