1) The car during phase a is a) stationary b) travelling at a constant speed c) accelearating d) deccelarating 2) What is the speed travelled during phase b a) 9m/s b) 3m/s c) 6m/s 3) What is the cars speed during phase c a) 4m/s b) 3m/s c) 6m/s 4) What is the resultant force of terminal velocity a) constant b) zero c) unbalanced 5) what is the equation for mometum? a) mass x force b) mass x distance c) mass x velocity d) power x mass 6) Calculate the acceleration of a 800g rolley if a force of 0.4 N pulled it down a slope a) 0.4 x 800 b) 0.4 x 0.8 c) 0.4 / 800 d) 0.4/ 0.8 7) What component is the arrow pointing to? a) a fuse b) variable resistor c) resistor d) diode 8) What kind of circuit are the resistors in? a) parallel b) series 9) What voltage with R2 have? a) 12v b) 6v c) 4v d) 3v 10) What wire does the green and yellow plastic coating cover? a) live b) neutral c) earth 11) What wire does the blue plastic covering cover? a) live b) neutral c) earth 12) What kind of current does this graph show? a) D.C b) A.C c) a flowing current 13) What is the resistance of a light bulb with a voltage of 6v and a current flowing through of 1.5A a) 3 ohms b) 2 ohms c) 4 ohms d) 6 ohms 14) Why does the reisistance increase through a filament lightbulb? a) The metal blocks the current b) there is an increase of ion movement c) the wire heats up d) because it gives out heat 15) A ion is a) an electron b) a lose of an electron c) a gain of an electron d) a lose and gain of an electron 16) A 100 Ω resistor has a voltage of of 4 V going through what is the current flowing through? a) 25A b) 2.5A c) 0.4A d) 0.04A 17) Alpha radiation is the lightest type of radiation a) True b) False 18) Why does during beta radiation an atom releases an electron a) there are too many electrons b) a neutron splits c) a proton splits d) because electrons are on the outside of an atom 19) Our sun is a a) protostar b) protonstar c) main star d) main sequence star 20) What is the half life of this radioactive substance? a) 1 day b) 10days c) 5 days d) 2 days

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