Questions by Jifeng Zhang

Questions by Jifeng Zhang

A battery establishes a voltage V on a parallel-plate capacitor. After the battery is disconnected, the distance between the plates is doubled without loss of charge. Match the words in the left column

asked Nov 5, 2021

1 answer

0 votes

67.3k views

How many moles of mercury atoms are in 5.418 x 1023 atoms of mercury? moles

asked Sep 27, 2021

2 answers

5 votes

2.6k views

A ball has a mass of 1.5kg and is thrown straight up with a speed of 60m/s, what is the ball’s momentum: a. two seconds into the air b. three seconds after it reaches its highest point

asked Aug 10, 2021

1 answer

4 votes

46.6k views

If x equals 6, what is the order of the angles from smallest to largest degree? A) ∠A < ∠B < ∠C B) ∠B < ∠A < ∠C C) ∠B < ∠C < ∠A D) ∠C < ∠A < ∠B

asked Jul 13, 2021

2 answers

5 votes

43.6k views

Las clases de sus A. Subraya el sustantivo en cada frase. 1. la conciencia tranquila 2. su interminable paciencia 3. la cocina limpia 6. 7 8 c 4. un plan infalible 5. las flores olorosas 1 Clasifica los

asked Jul 8, 2021

1 answer

3 votes

120k views

An aircraft travelling at 600km/h accelerates steadily at 10km/h per second. Taking the speed of sound as 1100km/h at the aircraft's altitude how long will it take to reach the sound barrier?

asked Jun 22, 2021

1 answer

0 votes

215k views

Look at pic please help meh! >

asked Jun 1, 2021

2 answers

1 vote

61.1k views

The point-slope form of the equation of the line that passes through (-9, -2) and (1, 3) is y-3 = {(x - 1). What is the slope-intercept form of the equation for this line? O y = 2 x + 2 O y = 2 x - 4 O

asked Mar 14, 2021

1 answer

1 vote

212k views

Usain Bolt ran 100 m in 9.58 s, reaching a final speed of 12.43 m/s. What was his acceleration?

asked Jan 7, 2021

1 answer

4 votes

206k views

Suppose that the real exchange rate between the United States and Kenya is defined in terms of baskets of goods. Which of the following will increase the real exchange rate (that is increase the number

asked Aug 19, 2020

1 answer

4 votes

75.2k views

What reasons did the writers give for establishing a colony? R

asked Oct 13, 2019

1 answer

0 votes

103k views

What are the magnitude and direction of an electric field that exerts a 1.65 10-5 n upward force on a −1.00 µc charge?

asked Jun 18, 2019

1 answer

4 votes

147k views

NEED HELP!! Please! Explain the answer

asked May 19, 2018

2 answers

0 votes

184k views

0.07 is 1/10 of what

asked Apr 15, 2018

2 answers

0 votes

72.1k views

How did the English bill of rights influence the American form of government?

asked Apr 2, 2018

1 answer

3 votes

213k views

James had three times as many nickels as dimes. If the total value of his coins was $1.00, how many of each kind of coin did he have?

asked Apr 17, 2017

1 answer

4 votes

23.4k views

Can someone scramble these words for me mix up the letters sorry about the handwriting

asked Jan 4, 2017

1 answer

5 votes

49.0k views

Which of the following tools did Sumerians use to write with? a. handmade paper b. cylinder seals c. reed pens d. inks and dyes

asked Nov 18, 2016

2 answers

4 votes

84.1k views

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