Questions by Xiaokun

Questions by Xiaokun

Some bacteria are propelled by motors that spin hair-like flagella. A typical bacterial motor turning at a constant angular velocity has a radius of 1.3 x10-8m, and a tangential speed at the rim of 2.1

asked Jan 15, 2020

1 answer

5 votes

63.7k views

An airplane accelerates down a runway at 3.20 m/s2 for 32.8 s until is finally lifts off the ground. What is the distance traveled before takeoff?

asked Nov 8, 2019

1 answer

2 votes

214k views

How do elements reach stability?

asked May 5, 2019

1 answer

3 votes

76.6k views

Which sentence uses an adjective that tells how many? A. That theater shows old movies. B. There are many great movies to choose from at the theater. C. When does this movie end?

asked Jan 9, 2019

2 answers

3 votes

33.2k views

Americans' concerns over immigration were originally heightened by religious disputes between which two faiths?

asked Sep 22, 2018

1 answer

4 votes

222k views

True or false Andrew Jackson was ordered to make peace with the Seminoles in Georgia

asked Mar 28, 2018

1 answer

1 vote

83.0k views

Does the sticker list an automatic or manual transmission? A. automatic B. manual C. It doesn't list the transmission.

asked Feb 23, 2018

2 answers

4 votes

11.4k views

Even in the Arts cluster there is a need for A. only an art degree. B. technology training. C. mostly unskilled labor. D. no new job seekers.

asked Jan 3, 2017

1 answer

4 votes

170k views

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