Questions by PawelRoman

Questions by PawelRoman

If a man exercise 45 minutes each day, which is true, according to physical activity recommendations? A. he is exercising too little B. he exercises too much C. he is exercising not enough D. it depends

asked Jun 18, 2017

2 answers

2 votes

69.1k views

Why does your heart never tire of constantly beating to pump blood throughout your body?

asked Feb 25, 2017

2 answers

3 votes

205k views

Imagine that a tank is filled with water. The height of liquid column is 7 meters and the area is 1.5 square meters (m2). What's the force of gravity acting on the column of water?

asked Feb 11, 2017

2 answers

3 votes

41.3k views

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