Physics > GCSE QUESTION PAPER > Pearson Edexcel International GCSE (9–1). Physics UNIT: 4PH1 PAPER: 2P. graded A+ (All)
Answer ALL questions. Some questions must be answered with a cross in a box . If you change your mind about an answer, put a line through the box and then mark your new answer with a cross . 1 (a) ... Which of these is a device used to measure force? (1) A newton meter B ruler C thermometer D voltmeter (b) Airbags are safety devices used in cars to protect the driver if there is a crash. (i) State the formula linking momentum, mass and velocity. (1) (ii) A person inside a car has a mass of 72 kg and a velocity of 13 m/s. Show that the momentum of the person is about 900 kg m/s. (1) (iii) The person experiences a crash and comes to rest in 0.29 s. Calculate the force on the person. (2) force = .............................................................. N https://britishstudentroom-b430a.web.app/ *P70707A0524* Turn over 5 (iv) Which statement explains how airbags protect the driver? (1) A increase the force acting on the driver B increase the time taken for the driver to stop C increase the kinetic energy store of the driver D increase the momentum of the driver (Total for Question 1 = 6 marks) https://britishstudentroom-b430a.web.app/6 *P70707A0624* 2 (a) Describe the arrangement and motion of particles in a solid. You may draw a diagram to help your answer. 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(b) A solid changes state by melting at a certain temperature. For phosphorus, this change of state occurs at 44 °C. Sketch how the temperature of a sample of phosphorus changes when it is heated at a constant rate from –40 °C to 80 °C. (3) 80 60 40 20 0 –20 –40 Time Temperature in °C (Total for Question 2 = 6 marks) https://britishstudentroom-b430a.web.app/ *P70707A0724* Turn over 7 3 Nuclear fusion is a process that occurs in the core of stars. (a) Which is the best description of nuclear fusion? (1) A large nucleus splitting into two smaller nuclei B nucleus emitting an electromagnetic wave C nucleus releasing a beta particle D two smaller nuclei joining together to form a larger nucleus (b) Two nuclei are close together and stationary. Explain why these nuclei will move apart. 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(c) Describe the conditions needed for fusion to occur in the core of a star. 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(Total for Question 3 = 5 marks) https://britishstudentroom-b430a.web.app/8 *P70707A0824* 4 A student investigates how the strength of the magnetic field from a solenoid changes with distance from the end of the solenoid. The diagram shows the solenoid connected to a power sup [Show More]
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