Combined Revision package for Physics Students.

The brakes of a car of mass 1200 kg are being tested on a track. The driver sees a hazard and applies the brakes. The graph shows the variation of the velocity v of the car with time t from when the driver sees the hazard to when the car stops. 20 v /m s –1 15 10 5 0 0.0 0.5 1.0 1.5 2.0...

2 © OCR 2023 F F 2 Section A You should spend a maximum of 30 minutes on this section. Write your answer to each question in the box provided. 1 Which row contains only scalar quantities? A Absolute temperature, displacement, moment B Acceleration, force, momentum C Gravitational potentia...

2 © OCR 2023 F F 2 Section A You should spend a maximum of 30 minutes on this section. Write your answer to each question in the box provided. 1 Which row contains only scalar quantities? A Absolute temperature, displacement, moment B Acceleration, force, momentum C Gravitational potentia...

2 © OCR 2023 Section A You should spend a maximum of 30 minutes on this section. Write your answer to each question in the box provided. 1 Which of these units is a base unit? A A B J C m2 D N Your answer [1] 2 The accepted value of g is 9.81 ms–2 . In an experiment to verify the valu...

The MAVEN spacecraft orbits Mars and studies its upper atmosphere. (a) The diagram below shows the orbit of MAVEN around Mars. orbit of MAVEN (i) Mark an X on the diagram to show the point in the orbit where MAVEN has maximum acceleration. [1] (ii) Explain how Kepler’s 1st law applies to MAVE...

2 © OCR 2023 Section A You should spend a maximum of 25 minutes on this section. Write your answer to each question in the box provided. 1 What defines a weak material? A A low elastic limit B A low fracture stress C A low yield stress D A low Young modulus Your answer [1] 2 A sound wav...

2 © OCR 2023 Section A 1 A ball is thrown with an initial speed of 14 ms –1 at an angle of 56° to the horizontal, as shown in the diagram. The ball leaves the thrower’s hand at a vertical distance of 1.7m above the ground. (a) Write down the horizontal and vertical components of velocit...

2 © OCR 2023 Section A You should spend a maximum of 40 minutes on this section. Write your answer for each question in the box provided. 1 The diagram shows a dot-plot of measurements of diameter at points along a wire. 0.06 0.07 0.08 0.09 0.10 0.11 0.12 0.13 0.14 diameter/mm Which of the f...

2 © OCR 2023 SECTION A 1 Digestion is an example of an activation process. The energy required for a particular molecule to break apart is 1.2 × 10–19 J. (a) (i) Calculate the Boltzmann factor for this process. Human body temperature = 310K Boltzmann factor = ................................

2 © OCR 2023 zinc cathode copper anode lemon resistor V Section A 1 A cell can be made by inserting a zinc cathode and a copper anode into a lemon. A high resistance voltmeter is used in the circuit shown in Fig. 1.1 to measure the p.d. across the lemon when different resistors are plac...

2 © OCR 2023 Section A You should spend a maximum of 20 minutes on this section. Write your answer to each question in the box provided. 1 A spaceship travels from planet P to planet Q. The diagram shows the size of the forces acting on the spaceship. P Q Which sentence describes the motion...

2 © OCR 2023 Section A You should spend a maximum of 20 minutes on this section. Write your answer to each question in the box provided. 1 In an experiment, three students work out values for the speed of sound. Student Speed of sound (m/s) 1 313 2 330 3 320 What is the range of values f...