Use the drop-down menus to complete each sentence. The number of half-lives changes. This is the variable.

The number of radioactive atoms changes due to the number of half-lives. The number of radioactive atoms is
therefore the
variable.

Which graph best represents the relationship between the electric current and the rate at which a magnet is turning inside an electric generator?

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.

A17,250 kg rocket is pushed with a thrust of 6,450,284 n. what is the acceleration of the rocket?