Questions by SunnySun

Questions by SunnySun

Using a pulley system with a mechanical advantage of 15, how large and imput force would be needed to lift a piano weighing 345 N? N =Fi

asked Jan 26, 2020

1 answer

0 votes

199k views

Mrs. hart is a first-grade teacher and she is doing research in her own classroom. this type of descriptive research is called:

asked Aug 17, 2019

1 answer

5 votes

220k views

The sum of the measures of the two angles of a linear pair must be...?

asked Jul 9, 2019

1 answer

4 votes

152k views

Leema's test scores in chemistry are 80, 95, 88, 92, and 100. Find the mean and standard deviation of the data. If necessary, round to the nearest tenth. Mean: ______ Standard deviation: ______

asked Jun 26, 2019

1 answer

5 votes

192k views

How did the Committee of Public Safety identify enemies of the state?

asked Nov 11, 2018

1 answer

1 vote

73.0k views

Why did the picture go to jail

asked Sep 6, 2018

2 answers

5 votes

235k views

The point of contact between a motor neuron and a muscle fiber is called a(an) _____

asked Jan 24, 2018

1 answer

5 votes

13.8k views

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