The variables for this experiment include mass, volume, and the materials in the various balls, as well as their densities. in part i, you will be comparing a table tennis ball and a golf ball. use the drop-down menus to complete the sentences and identify the independent and dependent variables.
in part i, the independent variable, the one that is intentionally manipulated, is
.
in part i, the dependent variable, the one that you measure the response in, is
.
m

Question 7 [2 marks] in the circuit below, the electromotive force generated by the battery is e = 6.0 v, and the resistances are r1 = r4 = 1.0 q, r2 = r3 =2.0 q. r. the power delivered by the battery to the circuit is closest to a. 6 w в. 12 w с. 15 w d. 18 w e. 20 w final exam autumn 2014 page 5 of 9 68037 physical modelling faculty of science [2 mark] question 8 with reference to question 7, the current through resistor r2 is closest to a. 1 a в. 2 а c. 3 a d. 4 a e. 6 a

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.