Questions by Alon Gubkin

Questions by Alon Gubkin

Sound waves travel at approximately 340 m/s. what is the wavelength of a sound with a frequency of 23 hz (near the low end of our hearing range)?

asked Aug 11, 2019

1 answer

2 votes

169k views

A biologist observes that a species of stick insects on a remote island has three different color traits, almost equally distributed among the population. One phenotype is dark green, a second is light

asked Apr 25, 2019

2 answers

5 votes

123k views

How did the sinking of the lusitania change the way pinchot thought of the war?

asked Apr 9, 2019

2 answers

0 votes

191k views

Kyle has three short straws, four medium straws, and six long straws. If he randomly draws two straws, one at a time without replacement, what is the probability that both are short straws?

asked Dec 6, 2018

2 answers

1 vote

191k views

How do you think the first Puritans who came to America would have defined the term religious freedom

asked Nov 26, 2018

1 answer

1 vote

173k views

A rope is stretched to a distance of 10 meters, and a single pulse is generated at one end. The time required for the wave to reach the other end of the rope was 2.0 s. What is the velocity of this pulse?

asked May 5, 2018

2 answers

4 votes

145k views

There are 3x-2 trees planted in each row of a rectangular Parcel of land. If there are a total of 24x-16 trees planted and the parcel, how many rows of trees are there in the parcel?

asked Apr 27, 2018

1 answer

2 votes

117k views

How to solve (-3i)(6i)(-5i)

asked Mar 27, 2018

1 answer

2 votes

227k views

Which organelle is responsible for controlling the cell's activities?

asked Jan 14, 2018

1 answer

4 votes

224k views

The cardiovascular system consists of a. blood, blood vessels, and the heart. b. blood, blood vessels, the heart, lymph, lymph vessels, and lymphatic tissues. c. the heart and coronary arteries. d. the

asked Jan 16, 2017

2 answers

1 vote

160k views

If 15 baseballs weigh 75 ounces, how many baseballs weigh 15 ounces?

asked Nov 8, 2015

2 answers

3 votes

2.5k views

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