Questions by Lihao

Questions by Lihao

A certain man has a mass of 83.0 kg and a density of 996 kg/m3 (excluding the air in his lungs). (a) Calculate his volume (in m3). m3 (b) Find the buoyant force (in N) air exerts on him. N (c) What is

asked Aug 20, 2020

1 answer

3 votes

123k views

LOTS OF POINTS SEE ATTACHMENT

asked Aug 15, 2020

2 answers

5 votes

203k views

What is a digital certificate? Select one: a. It is a means of establishing the validity of an offer from a person, entity, web site, or email. b. It is a centralized directory wherein registered keys

asked Feb 11, 2020

1 answer

2 votes

171k views

Our surrounding of the atom has changed over time which idea that once accepted is now considered scientifically inaccurate (A. Electrons have a negative charge. (B. An atom is a solid sphere (C. Electrons

asked May 25, 2019

1 answer

0 votes

211k views

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