Questions by MNR

Questions by MNR

One of the harmonics of a column of air open at one end and closed at the other has a frequency of 448 Hz and the next higher harmonic has a frequency of 576 Hz. What is the fundamental frequency of the

asked Mar 14, 2021

1 answer

0 votes

217k views

Suppose the ends of a 27-m-long steel beam are rigidly clamped at 0°C to prevent expansion. The rail has a cross-sectional area of 35 cm^2. What force does the beam exert when it is heated to 39°C? (αsteel

asked Dec 16, 2020

1 answer

3 votes

215k views

Overall, how has science impacted human health? A. More types of surgery, so more unsafe procedures. B. Increase in pollution has lead to a decrease in average lifespan. C. Increased average lifespan to

asked Oct 15, 2020

1 answer

4 votes

187k views

Which is the initial major effect of an El Niño? Cold offshore waters are replaced by warm nutrient-rich equatorial waters. Warm offshore waters are replaced by cold equatorial waters. Warm nutrient-rich

asked Jun 26, 2020

2 answers

1 vote

90.8k views

Vincent borrowed $500 from Mitchell for six months. How much interest will Mitchell earn if he charges Vincent a simple interest rate of 3 percent? simple interest = P × r × t

asked Mar 2, 2020

1 answer

5 votes

21.1k views

"what role did mining play in the development of the american west"

asked Nov 9, 2019

1 answer

1 vote

101k views

The weight of 3 eggs is 120g.Assuming the three eggs are all the same weight find the constant of proportionality

asked Aug 18, 2019

2 answers

1 vote

70.8k views

What is the difference between exclusive and concurrent jurisdiction

asked Apr 27, 2019

1 answer

0 votes

130k views

Which is a component of a phospholipid?

asked Oct 20, 2018

1 answer

5 votes

78.2k views

What is on the back of the 50 dollar bill?

asked Oct 3, 2018

2 answers

3 votes

148k views

The formula for glue says to add 50ml of hardener to each container of resin. How much hardener should be added to 15 containers of resin?

asked Mar 2, 2018

2 answers

5 votes

174k views

A composer who combined jazz and classical music into a new sound in the 1920s was George ___________. A. Ellington B. Gershwin C. Perlman D. Rachmaninov

asked Oct 22, 2017

1 answer

0 votes

39.4k views

Guys i need help with asexual vs sexual reproduction for my h.w.

asked Oct 19, 2017

2 answers

1 vote

111k views

Reflect the point (-20,4) A)across x-axis B)across y-axis C)across y=-x D)across y=7

asked Aug 6, 2017

1 answer

5 votes

47.0k views

Grace has $100.She is buying charms for her bracelet that cost $5 each. Write an equation showing the relationship between the number of charms c. she buys and the amount of money she has left(I)

asked Jun 25, 2016

1 answer

0 votes

202k views

While john is traveling along a straight interstate highway, he notices that the mile marker reads 244 km. John travels until he reads the 135 km marker and the retraces his path to the 170 km marker.

asked Oct 10, 2015

1 answer

3 votes

189k views

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