AQA 9361 9362 w SP 09

Ngày tải lên: 03/10/2016, 13:30

... conserved WMP /Jan10 /PHYA4/ 1 What is the angular speed of a point on the Earth’s equator? A B C D 7.3 × 10 –5 rad s 1 4.2 × 10 –3 rad s 1 2.6 × 10 1 rad s 1 15 rad s 1 Which one of the following does ... END OF QUESTIONS WMP /Jan10 /PHYA4/ 1 10 There are no questions printed on this page WMP /Jan10 /PHYA4/ 1 11 There are no questions printed on this page WMP /Jan10 /P...

Ngày tải lên: 12/03/2014, 16:00

... uniform magnetic field What is the mass of the wire? A B 3 .1 × 10 –3 kg C 3.0 × 10 –2 kg D (08) 8.0 × 10 –4 kg 8.2 × 10 1 kg WMP /Jan12 /PHYA4/ 1 Do not write outside the box 21 When a β particle moves ... increases by 50%? A 13 .0 V B 14 .5 V C 19 .0 V D 12 .0 V Turn over (07) ᮣ WMP /Jan12 /PHYA4/ 1 Do not write outside the box 18 The graph shows the results of an experime...

Ngày tải lên: 12/03/2014, 16:12

... of the body when its displacement is 0.70 m? A B C D 0 .11 m s 1 0.22 m s 1 0.40 m s 1 0.80 m s 1 Turn over for the next question Turn over ᮣ WMP /Jun10 /PHYA4/ 1 Which graph, A to D, shows the variation ... of force? A ATm B W s–2 C kg m s–2 D J m 1 WMP /Jun10 /PHYA4/ 1 11 23 The graph shows how the magnetic flux passing through a loop of wire changes with time magnetic flux ti...

Ngày tải lên: 12/03/2014, 16:12

... END OF QUESTIONS (10 ) WMP/Jun 11 /PHYA4/ 1 11 There are no questions printed on this page DO NOT WRITE ON THIS PAGE ANSWER IN THE SPACES PROVIDED (11 ) WMP/Jun 11 /PHYA4/ 1 12 There are no questions ... after 1. 0 s? A 2.5 m s 1 B 5.0 m s 1 C 7.5 m s 1 D 10 m s 1 (02) Which of the following is a possible unit for rate of change of momentum? A Ns B N s 1 C kg m s 1 D kg m s–2 W...

Ngày tải lên: 12/03/2014, 16:12

... (2 marks) END OF QUESTIONS (10) 16 WMP /Jan10 /PHYA4/ 2 11 There are no questions printed on this page DO NOT WRITE ON THIS PAGE ANSWER IN THE SPACES PROVIDED (11) WMP /Jan10 /PHYA4/ 2 12 There ... Calculate the power wasted in the internal circuits when the TV set is left in standby mode answer = W (1 mark) Question continues on the next page Turn over ᮣ (09) WMP /Jan10 /PHYA4/ 2...

Ngày tải lên: 12/03/2014, 16:13

... Do not write outside the box There are no questions printed on this page DO NOT WRITE ON THIS PAGE ANSWER IN THE SPACES PROVIDED (02) WMP /Jan11 /PHYA4/ 2 Do not write outside the box Answer all ... determine the value of θ answer = degrees (3 marks) Turn over (09) ᮣ WMP /Jan11 /PHYA4/ 2 10 Do not write outside the box Figure shows a horizontal wire, held in tension between fixed points at...

Ngày tải lên: 12/03/2014, 16:13

... (2 marks) 13 END OF QUESTIONS (11) WMP/Jan 12 /PHYA4/ 2 12 There are no questions printed on this page DO NOT WRITE ON THIS PAGE ANSWER IN THE SPACES PROVIDED Copyright © 20 12 AQA and its ... answer = s (2 marks) (b) (ii) Use your answers from parts (a) and (b)(i) to show that the amplitude A, which is the distance from Q to R, is about 25 m (3 marks) Turn over (07) ᮣ WMP/Jan 12...

Ngày tải lên: 12/03/2014, 16:13

... Calculate the gravitational force between the spheres when their surfaces were in contact answer = N (2 marks) ( 02) WMP /Jun10 /PHYA4/ 2 Do not write outside the box (c) Modifications, such as ... (2 marks) (b) In 1798 Cavendish investigated Newton’s law by measuring the gravitational force between two unequal uniform lead spheres The radius of the larger sphere was 100 mm and that of ....

Ngày tải lên: 12/03/2014, 16:13

... (1 mark) ( 02) WMP /Jun11 /PHYA4/ 2 Do not write outside the box (a) (iii) Calculate R if m = 12 kg, r = 23 m, and v = 11 m s–1 answer = N (2 marks) (b) Explain what would happen to the magnitude ... mark) 12 (06) WMP /Jun11 /PHYA4/ 2 Do not write outside the box Capacitors and rechargeable batteries are examples of electrical devices that can be used repeatedly to store energy (a)...

Ngày tải lên: 12/03/2014, 16:14

... (3 marks) Turn over (05) ᮣ WMP/Jun 11 /PHYA5/ 1 Do not write outside the box An electrical heater is placed in an insulated container holding 10 0 g of ice at a temperature of 14 oC The heater ... energy at a rate of 98 joules per second (a) After an interval of 30 s, all the ice has reached a temperature of oC Calculate the specific heat capacity of ice answer = J kg 1 K 1 (2 mar...

Ngày tải lên: 12/03/2014, 16:15

... problem of spherical aberration Draw a ray diagram to show how spherical aberration is caused by a concave spherical mirror (1 mark) (02) WMP /Jun11 /PHYA5/ 2A Do not write outside the box (b) (ii) ... the axes below draw the Hertzsprung-Russell (H-R) diagram, labelling the main sequence stars, giant stars and white dwarf stars Complete the vertical axis by labelling a suitable absol...

Ngày tải lên: 12/03/2014, 16:15

... (2 marks) (b) A hearing test was used to obtain threshold hearing audiograms for several people The audiogram shown in Figure was obtained for a person with normal hearing On the same axes: ... (6 marks) (06) WMP /Jun11 /PHYA5/ 2B Do not write outside the box (b) Figure shows an ECG trace for a healthy person Figure R potential at body surface T P time / s (b) (i) Add a suitable sc...

Ngày tải lên: 12/03/2014, 16:15

... performance of the heat pump is 3.2 and the average electrical power input is 780 W (a) (i) Calculate the rate at which energy is delivered to the workshop answer = W (1 mark) (a) (ii) Calculate ... marks) (04) WMP /Jun11 /PHYA5/ 2C Do not write outside the box (b) A KERS flywheel has a moment of inertia of 0.036 kg m2 and rotates at its maximum angular speed of 6400 rad s–1 When t...

Ngày tải lên: 12/03/2014, 16:16

... (b) (i) The two horizontal parallel metal plates were mm apart The mass of the –15 droplet was × 10 kg The droplet was held stationary when the plate pd was 690 V Calculate the charge of the oil ... WMP /Jun11 /PHYA5/ 2D Do not write outside the box In an experiment to measure the charge of the electron, a charged oil droplet of unknown mass was observed between two horizontal parallel m...

Ngày tải lên: 12/03/2014, 16:16