Questions by Lei Du

Questions by Lei Du

A copper wire has a square cross section 2.3 mm on a side. The wire is 4.0 m long and carries a current of 3.7 A . The density of free electrons is 8.5×10²⁸ m⁻³. Find the magnitude of the current density

asked Oct 27, 2024

1 answer

4 votes

69.4k views

If your accelerator pedal is flat on the floor, the problem may be ________.

asked Sep 3, 2024

1 answer

0 votes

218k views

During the Roman empire, someone spoke to the Senate complaining about the behavior of teenagers who was that

asked Aug 2, 2024

1 answer

4 votes

39.2k views

What is the collective term for the elements on the left side of the periodic table?

asked May 7, 2024

1 answer

4 votes

78.3k views

89 B. Ahora, escribe tres oraciones similares a las de la actividad A y divide cada una en dos frases. Reta a (Challenge) un(a) compañero/a a completar las oraciones. 1. 2. 3. -3. _b. B

asked Jul 23, 2023

1 answer

0 votes

233k views

5. Find the value of x. 48 8x

asked Jul 11, 2023

2 answers

3 votes

166k views

Can someone help me with this real quick!

asked Jul 1, 2023

1 answer

2 votes

200k views

Select all the correct answers. in which two ways does the modern US political system differ from that of andent Rome?

asked Mar 2, 2023

1 answer

14 votes

219k views

What is the value of x?

asked Oct 17, 2022

1 answer

19 votes

159k views

Give three examples that show the importance of gravity to humans

asked Oct 9, 2022

1 answer

2 votes

97.4k views

What are base unit involved in joule? How?

asked Jul 18, 2022

1 answer

1 vote

122k views

Can someone help Find the surface area

asked Jun 25, 2022

1 answer

5 votes

31.1k views

Select the two statements that are true about the equation −10=60(−40). A. The line has a slope of 10. B. The line has a slope of 60. C. One point of the line is (40, 10) D. One point of the line is (10,

asked Jun 23, 2022

1 answer

18 votes

40.6k views

A couple plans to have 3 children, what is the probability that atleast two will be boys?

asked Jun 20, 2022

1 answer

4 votes

39.4k views

Hurry please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

asked Jun 13, 2022

1 answer

3 votes

234k views

Answer this question. You get a thank you and 5 stars if it's the correct answer.

asked Apr 19, 2022

1 answer

4 votes

208k views

What is the difference between a circuit and a current? Question 8 options: a circuit is a complete loop that carries a current in the form of electrons from negative to positive a current is a complete

asked Apr 17, 2022

1 answer

22 votes

43.5k views

The velocity of an object must include both speed and direction?

asked Apr 2, 2022

1 answer

12 votes

59.3k views

How did industrialization help cities grow Check all of the bones that apply

asked Feb 11, 2022

1 answer

0 votes

230k views

The ratio of 2250 to 2000

asked Jan 4, 2022

1 answer

2 votes

26.2k views

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