ALevel Physics: AQA Year 1 & 2 Exam Practice Workbook  includes Answers: superb for the 2024 and 2025 exams (CGP AQA ALevel Physics)
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ALevel Physics: AQA Year 1 & 2 Exam Practice Workbook  includes Answers: superb for the 2024 and 2025 exams (CGP AQA ALevel Physics)
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But first you must be able to identify the forces acting on an object and represent them on a free body diagram. b Which of these two thermometers generates a voltage that depends on the temperature difference between two points? This exercise provides practice in calculating angles in radians and converting between degrees and radians. b Which of the two diagrams represents the forces acting when the parachutist is moving more quickly through the air?
a Use the kinetic model of matter to explain why the gas exerts a pressure on the walls of the container. In parts a and b of this question you will calculate, from first principles, the work done on the piston by the gas as it expands. frequency Use your displacement–distance diagram to answer parts bd: b Mark a point that is in phase with A. d Determine the density of the hydrogen and hence deduce the root mean square (rms) speed of the hydrogen molecules at 100 °C. c State the amount of energy per kilogram that would be required to move the spacecraft entirely out of the Earth’s gravitational field.This brilliant CGP Exam Practice Workbook has all the practice needed to master the AQA ASLevel (and Year 1 of ALevel) Physics course.
c Explain how to use the stationary wave to measure the frequency of the microwave from the transmitter. Twosource interference experiments This exercise help you to think about the apparatus used and results found in twosource interference experiments.Remember to always calculate a spacecraft’s distance from the centre of the Earth, not its distance above the Earth’s surface. c Explain why the thermistor would be more useful for measuring temperatures close to 0 °C than to 100 °C. c A loudspeaker is placed close to the open end of a long tube which is closed at the other end, as shown. Basic terms and wave diagrams In this exercise you use wave terms and practise with phase differences and wave diagrams. N 10 N TIP If you see an angle of 90° in a question, you will probably have to use Pythagoras’ theorem.
b The area of the rectangle represents the displacement if the object had moved at a steady speed u for time t. If two objects are in contact with each other, energy will transfer from the hotter object to the colder object. Remember that the gravitational force of one object on another depends on the distance between their centres of mass. The nature and properties of nuclear radiation This exercise helps you understand that the nature of radiation is what it is made of; its properties are what it can do. Resolving forces A single force can be broken down (resolved) into two components at right angles to each other.Cambridge International AS and A Level Physics Workbook with CDROM (Cambridge International Examinations) [2 ed. This diagram shows how the speed of a trolley can be measured using two light gates connected to an electronic timer. A student used a stopwatch to measure the time taken by a trolley to travel a measured distance of 1. Notice it does not mention the word resistance at all, even though the unit of resistance is the ohm. This is an exercise in understanding and using the equation for calculating gravitational potential.
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