Find out the human population of earth. is there a mole of people inhabiting earth? if the average mass of a person is 60 kg, calculate the mass of a mole of people. how does the mass of a mole of people compare with the mass of earth?

What are the phases shown in a and d called?

Mass (kg) force (n) 5 25 10 50 15 75 20 100 a student was trying to find the relationship between mass and force. he placed four different masses on a table and pulled them using a spring scale. the table shows the different masses used in the experiment and the force required to pull each mass. the student concluded that more force was required to pull heavier objects. what comment would you make regarding his conclusion? a) no clear relation can be observed between mass and force from the data. b) there is a direct proportion between the mass and force listed in the table. c) gravity should have been taken into account while performing the experiment. d) there is an inverse proportion between the mass and force listed in the table.

What is the temperature in degrees celsius of a substance with a tempature of 49k