Do any of the atom diagrams below represent atoms of the same element? Yes, all the atoms are the same element.

Yes, atom A and atom C are the same element.

Yes, atom A and atom B are the same element.

No, they are all different elements.

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

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.

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k