AQA PHYA4 2 w QP JAN10

... OF QUESTIONSWMP/Jan 12 /PHYA4/ 1(11)11There are no questions printed on this pageDO NOT WRITE ON THIS PAGEANSWER IN THE SPACES PROVIDEDWMP/Jan 12 /PHYA4/ 1( 12) 12 Copyright © 20 12 AQA and its ... centre. What is the centripetal force on a small object O of mass m on the perimeter of thedisc? A 2 mfD B 2 mf 2 D C 2 2 mf 2 D D 2 mf 2 D 2 3X llYdiscobject Oaxismv 2 lmv 2 lmv 2 lmv 2 lWMP/Jan 12 /PHYA4/ 1Do ... damping.4(04)00BdistanceEk00AdistanceEk00DdistanceEk00CdistanceEkWMP/Jan 12 /PHYA4/ 1Do not writeoutside thebox 9 Which one of the following statements about Newton’s law of gravitation is correct? Newton’s law of gravitation explains...

... 0.11 m s–1B 0 .22 m s–1C 0.40 m s–1D 0.80 m s–1Turn over for the next questionπ 2 mrT 2 π 2 mr 2 T 2 2π 2 mr 2 T 2 2 mr 2 T 2 WMP/Jun10 /PHYA4/ 147 Which graph, A to D, shows the variation ... changed.Which row, A to D, in the table would give a simple pendulum with a time period twice that ofthe spring oscillations?new pendulum length new mass on springA 2l 2MB 2lC 2MDM 2 M 2 l 2 l 2 Ek0AxEk0CxEk0BxEk0Dx5Turn ... recharged?A 10 sB 100 sC 20 0 sD 1000 sTurn over ᮣWMP/Jun10 /PHYA4/ 1Q 2 2πε0aQ 2 ε0aQ 2 ε0aQ4πε0aP2a2a–Q+Q+Q+QWMP/Jun10 /PHYA4/ 1817 When switch S in the circuit is closed,...

... current will be unaffected if C is increased.energy pdA 1.5 E 1.5 VB 1.5 E 2. 25 VC 2. 25 E 1.5 VD 2. 25 E 2. 25 VWMP/Jun11 /PHYA4/ 1Do not writeoutside thebox 20 The graph shows how the charge ... vectorresultantforce/N 20 1510500 0 .2 0.4 0.6 0.8 1.0 time/sWMP/Jun11 /PHYA4/ 1Turn overᮣ(03)Do not writeoutside thebox 4 For a particle moving in a circle with uniform speed, which one of the followingstatements ... of M and 2M exert a gravitational force F on each other when the distancebetween their centres is r. What is the gravitational force between masses of 2M and4M when the distance between their...

... signal.answer = Hz (2 marks)END OF QUESTIONSWMP /Jan10/ PHYA1(15)5WMP /Jan10/ PHYA116There are no questions printed on this pageDO NOT WRITE ON THIS PAGEANSWER IN THE SPACES PROVIDEDCopyright © 20 10 ... tolevel n = 3. (2 marks)Turn over for the next questionTurn over ᮣWMP /Jan10/ PHYA1(05) 12 n = 40– 0 .26 energy / J × 10 –18n = 3 – 0.59n = 2 – 0.88ground state n = 1 – 2. 18WMP /Jan10/ PHYA16Areas ... communication will be assessed in this question. (8 marks)Turn over for the next questionTurn over ᮣWMP /Jan10/ PHYA1(11)14WMP /Jan10/ PHYA1 12 Areas outsidethe box willnot...